diff --git a/package-lock.json b/package-lock.json
index e11f5aecd..f9c41b27d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1906,23 +1906,37 @@
       }
     },
     "acorn-node": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.3.0.tgz",
-      "integrity": "sha512-efP54n3d1aLfjL2UMdaXa6DsswwzJeI5rqhbFvXMrKiJ6eJFpf+7R0zN7t8IC+XKn2YOAFAv6xbBNgHUkoHWLw==",
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.6.2.tgz",
+      "integrity": "sha512-rIhNEZuNI8ibQcL7ANm/mGyPukIaZsRNX9psFNQURyJW0nu6k8wjSDld20z6v2mDBWqX13pIEnk9gGZJHIlEXg==",
       "dev": true,
       "requires": {
-        "acorn": "^5.4.1",
+        "acorn": "^6.0.2",
+        "acorn-dynamic-import": "^4.0.0",
+        "acorn-walk": "^6.1.0",
         "xtend": "^4.0.1"
       },
       "dependencies": {
         "acorn": {
-          "version": "5.5.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
-          "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
+          "version": "6.0.4",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.0.4.tgz",
+          "integrity": "sha512-VY4i5EKSKkofY2I+6QLTbTTN/UvEQPCo6eiwzzSaSWfpaDhOmStMCMod6wmuPciNq+XS0faCglFu2lHZpdHUtg==",
+          "dev": true
+        },
+        "acorn-dynamic-import": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz",
+          "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==",
           "dev": true
         }
       }
     },
+    "acorn-walk": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
+      "integrity": "sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==",
+      "dev": true
+    },
     "addons-linter": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/addons-linter/-/addons-linter-1.3.4.tgz",
@@ -3176,15 +3190,6 @@
       "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.9.6.tgz",
       "integrity": "sha1-ECyenpAF0+fjgpvwxPok7oYu6bk="
     },
-    "astw": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/astw/-/astw-2.2.0.tgz",
-      "integrity": "sha1-e9QXhNMkk5h66yOba04cV6hzuRc=",
-      "dev": true,
-      "requires": {
-        "acorn": "^4.0.3"
-      }
-    },
     "async": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
@@ -5118,9 +5123,9 @@
       "dev": true
     },
     "browser-resolve": {
-      "version": "1.11.2",
-      "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-1.11.2.tgz",
-      "integrity": "sha1-j/CbCixCFxihBRwmCzLkj0QpOM4=",
+      "version": "1.11.3",
+      "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-1.11.3.tgz",
+      "integrity": "sha512-exDi1BYWB/6raKHmDTCicQfTkqwN5fioMFV4j8BsfMU4R2DK/QfZfK7kOVkmWCNANf0snkBzqGqAJBao9gZMdQ==",
       "dev": true,
       "requires": {
         "resolve": "1.1.7"
@@ -5152,9 +5157,9 @@
       }
     },
     "browserify": {
-      "version": "16.1.1",
-      "resolved": "https://registry.npmjs.org/browserify/-/browserify-16.1.1.tgz",
-      "integrity": "sha512-iSH21jK0+IApV8YHOfmGt1qsGd74oflQ1Ko/28JOkWLFNBngAQfKb6WYIJ9CufH8vycqKX1sYU3y7ZrVhwevAg==",
+      "version": "16.2.3",
+      "resolved": "https://registry.npmjs.org/browserify/-/browserify-16.2.3.tgz",
+      "integrity": "sha512-zQt/Gd1+W+IY+h/xX2NYMW4orQWhqSwyV+xsblycTtpOuB27h1fZhhNQuipJ4t79ohw4P4mMem0jp/ZkISQtjQ==",
       "dev": true,
       "requires": {
         "JSONStream": "^1.0.3",
@@ -5195,7 +5200,7 @@
         "shell-quote": "^1.6.1",
         "stream-browserify": "^2.0.0",
         "stream-http": "^2.0.0",
-        "string_decoder": "~1.0.0",
+        "string_decoder": "^1.1.1",
         "subarg": "^1.0.0",
         "syntax-error": "^1.1.1",
         "through2": "^2.0.0",
@@ -5203,14 +5208,14 @@
         "tty-browserify": "0.0.1",
         "url": "~0.11.0",
         "util": "~0.10.1",
-        "vm-browserify": "~0.0.1",
+        "vm-browserify": "^1.0.0",
         "xtend": "^4.0.0"
       },
       "dependencies": {
         "browser-pack": {
-          "version": "6.0.4",
-          "resolved": "https://registry.npmjs.org/browser-pack/-/browser-pack-6.0.4.tgz",
-          "integrity": "sha512-Q4Rvn7P6ObyWfc4stqLWHtG1MJ8vVtjgT24Zbu+8UTzxYuZouqZsmNRRTFVMY/Ux0eIKv1d+JWzsInTX+fdHPQ==",
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/browser-pack/-/browser-pack-6.1.0.tgz",
+          "integrity": "sha512-erYug8XoqzU3IfcU8fUgyHqyOXqIE4tUTTQ+7mqUjQlvnXkOO6OlT9c/ZoJVHYoAaqGxr09CN53G7XIsO4KtWA==",
           "dev": true,
           "requires": {
             "JSONStream": "^1.0.3",
@@ -5249,9 +5254,9 @@
           }
         },
         "events": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/events/-/events-2.0.0.tgz",
-          "integrity": "sha512-r/M5YkNg9zwI8QbSf7tsDWWJvO3PGwZXyG7GpFAxtMASnHL2eblFd7iHiGPtyGKKFPZ59S63NeX10Ws6WqGDcg==",
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/events/-/events-2.1.0.tgz",
+          "integrity": "sha512-3Zmiobend8P9DjmKAty0Era4jV8oJ0yGYe2nJJAxgymF9+N8F2m0hhZiMoWtcfepExzNKZumFU3ksdQbInGWCg==",
           "dev": true
         },
         "inline-source-map": {
@@ -5281,11 +5286,26 @@
           "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
           "dev": true
         },
+        "string_decoder": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
+          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        },
         "tty-browserify": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.1.tgz",
           "integrity": "sha512-C3TaO7K81YvjCgQH9Q1S3R3P3BtN3RIM8n+OvX4il1K1zgE8ZhI0op7kClgkxtutIE8hQrcrHBXvIheqKUUCxw==",
           "dev": true
+        },
+        "vm-browserify": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-1.1.0.tgz",
+          "integrity": "sha512-iq+S7vZJE60yejDYM0ek6zg308+UZsdtPExWP9VZoCFCz1zkJoXFnAX7aZfd/ZwrkidzdUZL0C/ryW+JwAiIGw==",
+          "dev": true
         }
       }
     },
@@ -5446,9 +5466,9 @@
       "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g=="
     },
     "buffer": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.1.0.tgz",
-      "integrity": "sha512-YkIRgwsZwJWTnyQrsBTWefizHh+8GYj3kbL1BTiAQ/9pwpino0G7B2gp5tx/FUBqUlvtxV85KNR3mwfAtv15Yw==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
+      "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
       "dev": true,
       "requires": {
         "base64-js": "^1.0.2",
@@ -5488,6 +5508,12 @@
       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
       "dev": true
     },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "dev": true
+    },
     "buffer-xor": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
@@ -5513,6 +5539,25 @@
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
+    "bytewise": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/bytewise/-/bytewise-1.1.0.tgz",
+      "integrity": "sha1-HRPL/3F65xWAlKqIGzXQgbOHJT4=",
+      "dev": true,
+      "requires": {
+        "bytewise-core": "^1.2.2",
+        "typewise": "^1.0.3"
+      }
+    },
+    "bytewise-core": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/bytewise-core/-/bytewise-core-1.2.3.tgz",
+      "integrity": "sha1-P7QQx+kVWOsasiqCg0V3qmvWHUI=",
+      "dev": true,
+      "requires": {
+        "typewise-core": "^1.2"
+      }
+    },
     "c3": {
       "version": "0.6.10",
       "resolved": "https://registry.npmjs.org/c3/-/c3-0.6.10.tgz",
@@ -5574,9 +5619,9 @@
       }
     },
     "cached-path-relative": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.1.tgz",
-      "integrity": "sha1-0JxLUoAKpMB44t2BqGmqyQ0uVOc=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/cached-path-relative/-/cached-path-relative-1.0.2.tgz",
+      "integrity": "sha512-5r2GqsoEb4qMTTN9J+WzXfjov+hjxT+j3u5K+kIVNIwAd99DLCJE9pBIMP1qVeybV6JiijL385Oz0DcYxfbOIg==",
       "dev": true
     },
     "caller-path": {
@@ -9697,12 +9742,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -9777,12 +9823,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -9931,12 +9978,14 @@
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "dev": true,
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+              "dev": true,
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -10527,12 +10576,13 @@
           "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
           "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
           "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
             "ethereumjs-util": "^5.1.1"
           },
           "dependencies": {
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
-              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+              "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
                 "bn.js": "^4.10.0",
                 "ethereumjs-util": "^5.0.0"
@@ -12040,12 +12090,6 @@
         "which": "^1.0.5"
       }
     },
-    "find-index": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/find-index/-/find-index-0.1.1.tgz",
-      "integrity": "sha1-Z101iyyjiS15Whq0cjL4tuLg3eQ=",
-      "dev": true
-    },
     "find-up": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
@@ -13708,29 +13752,6 @@
             "safe-buffer": "^5.0.1"
           }
         },
-        "bl": {
-          "version": "0.8.2",
-          "resolved": "https://registry.npmjs.org/bl/-/bl-0.8.2.tgz",
-          "integrity": "sha1-yba8oI0bwuoA/Ir7Txpf0eHGbk4=",
-          "dev": true,
-          "requires": {
-            "readable-stream": "~1.0.26"
-          },
-          "dependencies": {
-            "readable-stream": {
-              "version": "1.0.34",
-              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-              "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-              "dev": true,
-              "requires": {
-                "core-util-is": "~1.0.0",
-                "inherits": "~2.0.1",
-                "isarray": "0.0.1",
-                "string_decoder": "~0.10.x"
-              }
-            }
-          }
-        },
         "block-stream": {
           "version": "0.0.9",
           "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
@@ -13957,25 +13978,6 @@
           "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
           "dev": true
         },
-        "bytewise": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/bytewise/-/bytewise-1.1.0.tgz",
-          "integrity": "sha1-HRPL/3F65xWAlKqIGzXQgbOHJT4=",
-          "dev": true,
-          "requires": {
-            "bytewise-core": "^1.2.2",
-            "typewise": "^1.0.3"
-          }
-        },
-        "bytewise-core": {
-          "version": "1.2.3",
-          "resolved": "https://registry.npmjs.org/bytewise-core/-/bytewise-core-1.2.3.tgz",
-          "integrity": "sha1-P7QQx+kVWOsasiqCg0V3qmvWHUI=",
-          "dev": true,
-          "requires": {
-            "typewise-core": "^1.2"
-          }
-        },
         "cachedown": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/cachedown/-/cachedown-1.0.0.tgz",
@@ -16162,112 +16164,6 @@
             }
           }
         },
-        "level-post": {
-          "version": "1.0.7",
-          "resolved": "https://registry.npmjs.org/level-post/-/level-post-1.0.7.tgz",
-          "integrity": "sha512-PWYqG4Q00asOrLhX7BejSajByB4EmG2GaKHfj3h5UmmZ2duciXLPGYWIjBzLECFWUGOZWlm5B20h/n3Gs3HKew==",
-          "dev": true,
-          "requires": {
-            "ltgt": "^2.1.2"
-          }
-        },
-        "level-sublevel": {
-          "version": "6.6.2",
-          "resolved": "https://registry.npmjs.org/level-sublevel/-/level-sublevel-6.6.2.tgz",
-          "integrity": "sha512-+hptqmFYPKFju9QG4F6scvx3ZXkhrSmmhYui+hPzRn/jiC3DJ6VNZRKsIhGMpeajVBWfRV7XiysUThrJ/7PgXQ==",
-          "dev": true,
-          "requires": {
-            "bytewise": "~1.1.0",
-            "levelup": "~0.19.0",
-            "ltgt": "~2.1.1",
-            "pull-defer": "^0.2.2",
-            "pull-level": "^2.0.3",
-            "pull-stream": "^3.6.8",
-            "typewiselite": "~1.0.0",
-            "xtend": "~4.0.0"
-          },
-          "dependencies": {
-            "abstract-leveldown": {
-              "version": "0.12.4",
-              "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
-              "integrity": "sha1-KeGOYy5g5OIh1YECR4UqY9ey5BA=",
-              "dev": true,
-              "requires": {
-                "xtend": "~3.0.0"
-              },
-              "dependencies": {
-                "xtend": {
-                  "version": "3.0.0",
-                  "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
-                  "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
-                  "dev": true
-                }
-              }
-            },
-            "deferred-leveldown": {
-              "version": "0.2.0",
-              "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-0.2.0.tgz",
-              "integrity": "sha1-LO8fER4cV4cNi7uK8mUOWHzS9bQ=",
-              "dev": true,
-              "requires": {
-                "abstract-leveldown": "~0.12.1"
-              }
-            },
-            "levelup": {
-              "version": "0.19.1",
-              "resolved": "https://registry.npmjs.org/levelup/-/levelup-0.19.1.tgz",
-              "integrity": "sha1-86anIFJyxLXzXkEv8ASgOgrt9Qs=",
-              "dev": true,
-              "requires": {
-                "bl": "~0.8.1",
-                "deferred-leveldown": "~0.2.0",
-                "errno": "~0.1.1",
-                "prr": "~0.0.0",
-                "readable-stream": "~1.0.26",
-                "semver": "~5.1.0",
-                "xtend": "~3.0.0"
-              },
-              "dependencies": {
-                "xtend": {
-                  "version": "3.0.0",
-                  "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
-                  "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
-                  "dev": true
-                }
-              }
-            },
-            "ltgt": {
-              "version": "2.1.3",
-              "resolved": "https://registry.npmjs.org/ltgt/-/ltgt-2.1.3.tgz",
-              "integrity": "sha1-EIUaBtmWS5cReEQcI8nlJpjuzjQ=",
-              "dev": true
-            },
-            "prr": {
-              "version": "0.0.0",
-              "resolved": "https://registry.npmjs.org/prr/-/prr-0.0.0.tgz",
-              "integrity": "sha1-GoS4WQgyVQFBGFPQCB7j+obikmo=",
-              "dev": true
-            },
-            "readable-stream": {
-              "version": "1.0.34",
-              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-              "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-              "dev": true,
-              "requires": {
-                "core-util-is": "~1.0.0",
-                "inherits": "~2.0.1",
-                "isarray": "0.0.1",
-                "string_decoder": "~0.10.x"
-              }
-            },
-            "semver": {
-              "version": "5.1.1",
-              "resolved": "https://registry.npmjs.org/semver/-/semver-5.1.1.tgz",
-              "integrity": "sha1-oykqNz5vPgeY2gsgZBuanFvEfhk=",
-              "dev": true
-            }
-          }
-        },
         "level-ws": {
           "version": "0.0.0",
           "resolved": "https://registry.npmjs.org/level-ws/-/level-ws-0.0.0.tgz",
@@ -16392,12 +16288,6 @@
           "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.1.tgz",
           "integrity": "sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ=="
         },
-        "looper": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/looper/-/looper-2.0.0.tgz",
-          "integrity": "sha1-Zs0Md0rz1P7axTeU90LbVtqPCew=",
-          "dev": true
-        },
         "loose-envify": {
           "version": "1.3.1",
           "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
@@ -17034,64 +16924,6 @@
             "randombytes": "^2.0.1"
           }
         },
-        "pull-cat": {
-          "version": "1.1.11",
-          "resolved": "https://registry.npmjs.org/pull-cat/-/pull-cat-1.1.11.tgz",
-          "integrity": "sha1-tkLdElXaN2pwa220+pYvX9t0wxs=",
-          "dev": true
-        },
-        "pull-defer": {
-          "version": "0.2.2",
-          "resolved": "https://registry.npmjs.org/pull-defer/-/pull-defer-0.2.2.tgz",
-          "integrity": "sha1-CIew/7MK8ypW2+z6csFnInHwexM=",
-          "dev": true
-        },
-        "pull-level": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/pull-level/-/pull-level-2.0.4.tgz",
-          "integrity": "sha512-fW6pljDeUThpq5KXwKbRG3X7Ogk3vc75d5OQU/TvXXui65ykm+Bn+fiktg+MOx2jJ85cd+sheufPL+rw9QSVZg==",
-          "dev": true,
-          "requires": {
-            "level-post": "^1.0.7",
-            "pull-cat": "^1.1.9",
-            "pull-live": "^1.0.1",
-            "pull-pushable": "^2.0.0",
-            "pull-stream": "^3.4.0",
-            "pull-window": "^2.1.4",
-            "stream-to-pull-stream": "^1.7.1"
-          }
-        },
-        "pull-live": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/pull-live/-/pull-live-1.0.1.tgz",
-          "integrity": "sha1-pOzuAeMwFV6RJLu89HYfIbOPUfU=",
-          "dev": true,
-          "requires": {
-            "pull-cat": "^1.1.9",
-            "pull-stream": "^3.4.0"
-          }
-        },
-        "pull-pushable": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/pull-pushable/-/pull-pushable-2.2.0.tgz",
-          "integrity": "sha1-Xy867UethpGfAbEqLpnW8b13ZYE=",
-          "dev": true
-        },
-        "pull-stream": {
-          "version": "3.6.8",
-          "resolved": "https://registry.npmjs.org/pull-stream/-/pull-stream-3.6.8.tgz",
-          "integrity": "sha512-wQUIptQBcM0rFsUhZoEpOT3vUn73DtTGVq3NQ86c4T7iMOSprDzeKWYq2ksXnbwiuExTKvt+8G9fzNLFQuiO+A==",
-          "dev": true
-        },
-        "pull-window": {
-          "version": "2.1.4",
-          "resolved": "https://registry.npmjs.org/pull-window/-/pull-window-2.1.4.tgz",
-          "integrity": "sha1-/DuG/uvRkgx64pdpHiP3BfiFUvA=",
-          "dev": true,
-          "requires": {
-            "looper": "^2.0.0"
-          }
-        },
         "punycode": {
           "version": "1.4.1",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
@@ -17687,24 +17519,6 @@
           "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
           "dev": true
         },
-        "stream-to-pull-stream": {
-          "version": "1.7.2",
-          "resolved": "https://registry.npmjs.org/stream-to-pull-stream/-/stream-to-pull-stream-1.7.2.tgz",
-          "integrity": "sha1-dXYJrhzr0zx0MtSvvjH/eGULnd4=",
-          "dev": true,
-          "requires": {
-            "looper": "^3.0.0",
-            "pull-stream": "^3.2.3"
-          },
-          "dependencies": {
-            "looper": {
-              "version": "3.0.0",
-              "resolved": "https://registry.npmjs.org/looper/-/looper-3.0.0.tgz",
-              "integrity": "sha1-LvpUw7HLq6m5Su4uWRSwvlf7t0k=",
-              "dev": true
-            }
-          }
-        },
         "strict-uri-encode": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -18061,27 +17875,6 @@
             "is-typedarray": "^1.0.0"
           }
         },
-        "typewise": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/typewise/-/typewise-1.0.3.tgz",
-          "integrity": "sha1-EGeTZUCvl5N8xdz5kiSG6fooRlE=",
-          "dev": true,
-          "requires": {
-            "typewise-core": "^1.2.0"
-          }
-        },
-        "typewise-core": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/typewise-core/-/typewise-core-1.2.0.tgz",
-          "integrity": "sha1-l+uRgFx/VdL5QXSPpQ0xXZke8ZU=",
-          "dev": true
-        },
-        "typewiselite": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/typewiselite/-/typewiselite-1.0.0.tgz",
-          "integrity": "sha1-yIgvobsQksBgBal/NO9chQjjZk4=",
-          "dev": true
-        },
         "ultron": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
@@ -18836,6 +18629,12 @@
         "is-property": "^1.0.0"
       }
     },
+    "get-assigned-identifiers": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/get-assigned-identifiers/-/get-assigned-identifiers-1.2.0.tgz",
+      "integrity": "sha512-mBBwmeGTrxEMO4pMaaf/uUEFHnYtwr8FTe8Y/mer4rcV/bye0qGm6pw1bGZFGStxC5O76c5ZAVBGnqHmOaJpdQ==",
+      "dev": true
+    },
     "get-caller-file": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
@@ -19471,15 +19270,6 @@
         }
       }
     },
-    "glob2base": {
-      "version": "0.0.12",
-      "resolved": "https://registry.npmjs.org/glob2base/-/glob2base-0.0.12.tgz",
-      "integrity": "sha1-nUGbPijxLoOjYhZKJ3BVkiycDVY=",
-      "dev": true,
-      "requires": {
-        "find-index": "^0.1.1"
-      }
-    },
     "global": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/global/-/global-4.3.2.tgz",
@@ -22044,25 +21834,27 @@
       "dev": true
     },
     "insert-module-globals": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/insert-module-globals/-/insert-module-globals-7.0.2.tgz",
-      "integrity": "sha512-p3s7g96Nm62MbHRuj9ZXab0DuJNWD7qcmdUXCOQ/ZZn42DtDXfsLill7bq19lDCx3K3StypqUnuE3H2VmIJFUw==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/insert-module-globals/-/insert-module-globals-7.2.0.tgz",
+      "integrity": "sha512-VE6NlW+WGn2/AeOMd496AHFYmE7eLKkUY6Ty31k4og5vmA3Fjuwe9v6ifH6Xx/Hz27QvdoMoviw1/pqWRB09Sw==",
       "dev": true,
       "requires": {
         "JSONStream": "^1.0.3",
-        "combine-source-map": "~0.7.1",
-        "concat-stream": "~1.5.1",
+        "acorn-node": "^1.5.2",
+        "combine-source-map": "^0.8.0",
+        "concat-stream": "^1.6.1",
         "is-buffer": "^1.1.0",
-        "lexical-scope": "^1.2.0",
+        "path-is-absolute": "^1.0.1",
         "process": "~0.11.0",
         "through2": "^2.0.0",
+        "undeclared-identifiers": "^1.1.2",
         "xtend": "^4.0.0"
       },
       "dependencies": {
         "combine-source-map": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/combine-source-map/-/combine-source-map-0.7.2.tgz",
-          "integrity": "sha1-CHAxKFazB6h8xKxIbzqaYq7MwJ4=",
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/combine-source-map/-/combine-source-map-0.8.0.tgz",
+          "integrity": "sha1-pY0N8ELBhvz4IqjoAV9UUNLXmos=",
           "dev": true,
           "requires": {
             "convert-source-map": "~1.1.0",
@@ -22072,14 +21864,15 @@
           }
         },
         "concat-stream": {
-          "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.5.2.tgz",
-          "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
+          "version": "1.6.2",
+          "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+          "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
           "dev": true,
           "requires": {
-            "inherits": "~2.0.1",
-            "readable-stream": "~2.0.0",
-            "typedarray": "~0.0.5"
+            "buffer-from": "^1.0.0",
+            "inherits": "^2.0.3",
+            "readable-stream": "^2.2.2",
+            "typedarray": "^0.0.6"
           }
         },
         "inline-source-map": {
@@ -22103,31 +21896,11 @@
           "integrity": "sha1-czIwDoQBYb2j5podHZGn1LwW8YI=",
           "dev": true
         },
-        "readable-stream": {
-          "version": "2.0.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
-          "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~1.0.6",
-            "string_decoder": "~0.10.x",
-            "util-deprecate": "~1.0.1"
-          }
-        },
         "source-map": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
           "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
           "dev": true
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
         }
       }
     },
@@ -24107,20 +23880,20 @@
       "dev": true
     },
     "labeled-stream-splicer": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz",
-      "integrity": "sha1-pS4dE4AkwAuGscDJH2d5GLiuClk=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/labeled-stream-splicer/-/labeled-stream-splicer-2.0.1.tgz",
+      "integrity": "sha512-MC94mHZRvJ3LfykJlTUipBqenZz1pacOZEMhhQ8dMGcDHs0SBE5GbsavUXV7YtP3icBW17W0Zy1I0lfASmo9Pg==",
       "dev": true,
       "requires": {
         "inherits": "^2.0.1",
-        "isarray": "~0.0.1",
+        "isarray": "^2.0.4",
         "stream-splicer": "^2.0.0"
       },
       "dependencies": {
         "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.4.tgz",
+          "integrity": "sha512-GMxXOiUirWg1xTKRipM0Ek07rX+ubx4nNVElTJdNLYmNO/2YrDkgJGw9CljXn+r4EWiDQg/8lsRdHyg2PJuUaA==",
           "dev": true
         },
         "stream-splicer": {
@@ -24285,6 +24058,133 @@
         }
       }
     },
+    "level-post": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/level-post/-/level-post-1.0.7.tgz",
+      "integrity": "sha512-PWYqG4Q00asOrLhX7BejSajByB4EmG2GaKHfj3h5UmmZ2duciXLPGYWIjBzLECFWUGOZWlm5B20h/n3Gs3HKew==",
+      "dev": true,
+      "requires": {
+        "ltgt": "^2.1.2"
+      }
+    },
+    "level-sublevel": {
+      "version": "6.6.5",
+      "resolved": "https://registry.npmjs.org/level-sublevel/-/level-sublevel-6.6.5.tgz",
+      "integrity": "sha512-SBSR60x+dghhwGUxPKS+BvV1xNqnwsEUBKmnFepPaHJ6VkBXyPK9SImGc3K2BkwBfpxlt7GKkBNlCnrdufsejA==",
+      "dev": true,
+      "requires": {
+        "bytewise": "~1.1.0",
+        "levelup": "~0.19.0",
+        "ltgt": "~2.1.1",
+        "pull-defer": "^0.2.2",
+        "pull-level": "^2.0.3",
+        "pull-stream": "^3.6.8",
+        "typewiselite": "~1.0.0",
+        "xtend": "~4.0.0"
+      },
+      "dependencies": {
+        "abstract-leveldown": {
+          "version": "0.12.4",
+          "resolved": "http://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
+          "integrity": "sha1-KeGOYy5g5OIh1YECR4UqY9ey5BA=",
+          "dev": true,
+          "requires": {
+            "xtend": "~3.0.0"
+          },
+          "dependencies": {
+            "xtend": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
+              "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
+              "dev": true
+            }
+          }
+        },
+        "bl": {
+          "version": "0.8.2",
+          "resolved": "http://registry.npmjs.org/bl/-/bl-0.8.2.tgz",
+          "integrity": "sha1-yba8oI0bwuoA/Ir7Txpf0eHGbk4=",
+          "dev": true,
+          "requires": {
+            "readable-stream": "~1.0.26"
+          }
+        },
+        "deferred-leveldown": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-0.2.0.tgz",
+          "integrity": "sha1-LO8fER4cV4cNi7uK8mUOWHzS9bQ=",
+          "dev": true,
+          "requires": {
+            "abstract-leveldown": "~0.12.1"
+          }
+        },
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true
+        },
+        "levelup": {
+          "version": "0.19.1",
+          "resolved": "https://registry.npmjs.org/levelup/-/levelup-0.19.1.tgz",
+          "integrity": "sha1-86anIFJyxLXzXkEv8ASgOgrt9Qs=",
+          "dev": true,
+          "requires": {
+            "bl": "~0.8.1",
+            "deferred-leveldown": "~0.2.0",
+            "errno": "~0.1.1",
+            "prr": "~0.0.0",
+            "readable-stream": "~1.0.26",
+            "semver": "~5.1.0",
+            "xtend": "~3.0.0"
+          },
+          "dependencies": {
+            "xtend": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
+              "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
+              "dev": true
+            }
+          }
+        },
+        "ltgt": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ltgt/-/ltgt-2.1.3.tgz",
+          "integrity": "sha1-EIUaBtmWS5cReEQcI8nlJpjuzjQ=",
+          "dev": true
+        },
+        "prr": {
+          "version": "0.0.0",
+          "resolved": "https://registry.npmjs.org/prr/-/prr-0.0.0.tgz",
+          "integrity": "sha1-GoS4WQgyVQFBGFPQCB7j+obikmo=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "semver": {
+          "version": "5.1.1",
+          "resolved": "http://registry.npmjs.org/semver/-/semver-5.1.1.tgz",
+          "integrity": "sha1-oykqNz5vPgeY2gsgZBuanFvEfhk=",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true
+        }
+      }
+    },
     "level-ws": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/level-ws/-/level-ws-0.0.0.tgz",
@@ -24353,15 +24253,6 @@
         "type-check": "~0.3.2"
       }
     },
-    "lexical-scope": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/lexical-scope/-/lexical-scope-1.2.0.tgz",
-      "integrity": "sha1-/Ope3HBKSzqHls3KQZw6CvryLfQ=",
-      "dev": true,
-      "requires": {
-        "astw": "^2.0.0"
-      }
-    },
     "lie": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/lie/-/lie-3.1.1.tgz",
@@ -24819,6 +24710,12 @@
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc="
     },
+    "looper": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/looper/-/looper-2.0.0.tgz",
+      "integrity": "sha1-Zs0Md0rz1P7axTeU90LbVtqPCew=",
+      "dev": true
+    },
     "loose-envify": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
@@ -25933,9 +25830,9 @@
       "dev": true
     },
     "module-deps": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/module-deps/-/module-deps-6.0.0.tgz",
-      "integrity": "sha512-BKsMhJJENEM4dTgqq2MDTTHXRHcNUFegoAwlG4HO4VMdUyMcJDKgfgI+MOv6tR5Iv8G3MKZFgsSiyP3ZoosRMw==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/module-deps/-/module-deps-6.2.0.tgz",
+      "integrity": "sha512-hKPmO06so6bL/ZvqVNVqdTVO8UAYsi3tQWlCa+z9KuWhoN4KDQtb5hcqQQv58qYiDE21wIvnttZEPiDgEbpwbA==",
       "dev": true,
       "requires": {
         "JSONStream": "^1.0.3",
@@ -29324,85 +29221,32 @@
       "dev": true
     },
     "png-file-stream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/png-file-stream/-/png-file-stream-1.0.0.tgz",
-      "integrity": "sha1-4IPQ/lbgl6XL0NNBoThzeQUsrTU=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/png-file-stream/-/png-file-stream-1.1.0.tgz",
+      "integrity": "sha512-uZuSd4yuLXik2H/XqR+7hcGU30nCeBHhPsejR8JA91oKom57aeL379hO5ZJ4SS1Nujk/hDUN0VE8UiT+FuwNZg==",
       "dev": true,
       "requires": {
-        "glob-stream": "~3.1.9",
+        "glob-stream": "^6.1.0",
         "png-js": "~0.1.1",
         "through2": "~0.2.3"
       },
       "dependencies": {
-        "glob": {
-          "version": "4.5.3",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-4.5.3.tgz",
-          "integrity": "sha1-xstz0yJsHv7wTePFbQEvAzd+4V8=",
-          "dev": true,
-          "requires": {
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^2.0.1",
-            "once": "^1.3.0"
-          }
-        },
-        "glob-stream": {
-          "version": "3.1.18",
-          "resolved": "https://registry.npmjs.org/glob-stream/-/glob-stream-3.1.18.tgz",
-          "integrity": "sha1-kXCl8St5Awb9/lmPMT+PeVT9FDs=",
-          "dev": true,
-          "requires": {
-            "glob": "^4.3.1",
-            "glob2base": "^0.0.12",
-            "minimatch": "^2.0.1",
-            "ordered-read-streams": "^0.1.0",
-            "through2": "^0.6.1",
-            "unique-stream": "^1.0.0"
-          },
-          "dependencies": {
-            "through2": {
-              "version": "0.6.5",
-              "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
-              "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
-              "dev": true,
-              "requires": {
-                "readable-stream": ">=1.0.33-1 <1.1.0-0",
-                "xtend": ">=4.0.0 <4.1.0-0"
-              }
-            }
-          }
-        },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
           "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
           "dev": true
         },
-        "minimatch": {
-          "version": "2.0.10",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-2.0.10.tgz",
-          "integrity": "sha1-jQh8OcazjAAbl/ynzm0OHoCvusc=",
-          "dev": true,
-          "requires": {
-            "brace-expansion": "^1.0.0"
-          }
-        },
         "object-keys": {
           "version": "0.4.0",
           "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-0.4.0.tgz",
           "integrity": "sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=",
           "dev": true
         },
-        "ordered-read-streams": {
-          "version": "0.1.0",
-          "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz",
-          "integrity": "sha1-/VZamvjrRHO6abbtijQ1LLVS8SY=",
-          "dev": true
-        },
         "readable-stream": {
-          "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "version": "1.1.14",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
             "core-util-is": "~1.0.0",
@@ -29413,7 +29257,7 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         },
@@ -29425,36 +29269,16 @@
           "requires": {
             "readable-stream": "~1.1.9",
             "xtend": "~2.1.1"
-          },
-          "dependencies": {
-            "readable-stream": {
-              "version": "1.1.14",
-              "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-              "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-              "dev": true,
-              "requires": {
-                "core-util-is": "~1.0.0",
-                "inherits": "~2.0.1",
-                "isarray": "0.0.1",
-                "string_decoder": "~0.10.x"
-              }
-            },
-            "xtend": {
-              "version": "2.1.2",
-              "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
-              "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
-              "dev": true,
-              "requires": {
-                "object-keys": "~0.4.0"
-              }
-            }
           }
         },
-        "unique-stream": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-1.0.0.tgz",
-          "integrity": "sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=",
-          "dev": true
+        "xtend": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
+          "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
+          "dev": true,
+          "requires": {
+            "object-keys": "~0.4.0"
+          }
         }
       }
     },
@@ -31254,6 +31078,64 @@
         "randombytes": "^2.0.1"
       }
     },
+    "pull-cat": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/pull-cat/-/pull-cat-1.1.11.tgz",
+      "integrity": "sha1-tkLdElXaN2pwa220+pYvX9t0wxs=",
+      "dev": true
+    },
+    "pull-defer": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/pull-defer/-/pull-defer-0.2.3.tgz",
+      "integrity": "sha512-/An3KE7mVjZCqNhZsr22k1Tx8MACnUnHZZNPSJ0S62td8JtYr/AiRG42Vz7Syu31SoTLUzVIe61jtT/pNdjVYA==",
+      "dev": true
+    },
+    "pull-level": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/pull-level/-/pull-level-2.0.4.tgz",
+      "integrity": "sha512-fW6pljDeUThpq5KXwKbRG3X7Ogk3vc75d5OQU/TvXXui65ykm+Bn+fiktg+MOx2jJ85cd+sheufPL+rw9QSVZg==",
+      "dev": true,
+      "requires": {
+        "level-post": "^1.0.7",
+        "pull-cat": "^1.1.9",
+        "pull-live": "^1.0.1",
+        "pull-pushable": "^2.0.0",
+        "pull-stream": "^3.4.0",
+        "pull-window": "^2.1.4",
+        "stream-to-pull-stream": "^1.7.1"
+      }
+    },
+    "pull-live": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pull-live/-/pull-live-1.0.1.tgz",
+      "integrity": "sha1-pOzuAeMwFV6RJLu89HYfIbOPUfU=",
+      "dev": true,
+      "requires": {
+        "pull-cat": "^1.1.9",
+        "pull-stream": "^3.4.0"
+      }
+    },
+    "pull-pushable": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/pull-pushable/-/pull-pushable-2.2.0.tgz",
+      "integrity": "sha1-Xy867UethpGfAbEqLpnW8b13ZYE=",
+      "dev": true
+    },
+    "pull-stream": {
+      "version": "3.6.9",
+      "resolved": "https://registry.npmjs.org/pull-stream/-/pull-stream-3.6.9.tgz",
+      "integrity": "sha512-hJn4POeBrkttshdNl0AoSCVjMVSuBwuHocMerUdoZ2+oIUzrWHFTwJMlbHND7OiKLVgvz6TFj8ZUVywUMXccbw==",
+      "dev": true
+    },
+    "pull-window": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/pull-window/-/pull-window-2.1.4.tgz",
+      "integrity": "sha1-/DuG/uvRkgx64pdpHiP3BfiFUvA=",
+      "dev": true,
+      "requires": {
+        "looper": "^2.0.0"
+      }
+    },
     "pump": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
@@ -33833,6 +33715,12 @@
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
+    "simple-concat": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
+      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
+      "dev": true
+    },
     "sinon": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/sinon/-/sinon-5.0.0.tgz",
@@ -35317,6 +35205,24 @@
         }
       }
     },
+    "stream-to-pull-stream": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/stream-to-pull-stream/-/stream-to-pull-stream-1.7.2.tgz",
+      "integrity": "sha1-dXYJrhzr0zx0MtSvvjH/eGULnd4=",
+      "dev": true,
+      "requires": {
+        "looper": "^3.0.0",
+        "pull-stream": "^3.2.3"
+      },
+      "dependencies": {
+        "looper": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/looper/-/looper-3.0.0.tgz",
+          "integrity": "sha1-LvpUw7HLq6m5Su4uWRSwvlf7t0k=",
+          "dev": true
+        }
+      }
+    },
     "streamroller": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-0.7.0.tgz",
@@ -37070,6 +36976,27 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
+    "typewise": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/typewise/-/typewise-1.0.3.tgz",
+      "integrity": "sha1-EGeTZUCvl5N8xdz5kiSG6fooRlE=",
+      "dev": true,
+      "requires": {
+        "typewise-core": "^1.2.0"
+      }
+    },
+    "typewise-core": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/typewise-core/-/typewise-core-1.2.0.tgz",
+      "integrity": "sha1-l+uRgFx/VdL5QXSPpQ0xXZke8ZU=",
+      "dev": true
+    },
+    "typewiselite": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/typewiselite/-/typewiselite-1.0.0.tgz",
+      "integrity": "sha1-yIgvobsQksBgBal/NO9chQjjZk4=",
+      "dev": true
+    },
     "ua-parser-js": {
       "version": "0.7.17",
       "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.17.tgz",
@@ -37232,6 +37159,18 @@
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
       "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
     },
+    "undeclared-identifiers": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/undeclared-identifiers/-/undeclared-identifiers-1.1.2.tgz",
+      "integrity": "sha512-13EaeocO4edF/3JKime9rD7oB6QI8llAGhgn5fKOPyfkJbRb6NFv9pYV6dFEmpa4uRjKeBqLZP8GpuzqHlKDMQ==",
+      "dev": true,
+      "requires": {
+        "acorn-node": "^1.3.0",
+        "get-assigned-identifiers": "^1.2.0",
+        "simple-concat": "^1.0.0",
+        "xtend": "^4.0.1"
+      }
+    },
     "undefsafe": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
@@ -38040,6 +37979,7 @@
       "resolved": "https://registry.npmjs.org/web3/-/web3-0.20.3.tgz",
       "integrity": "sha1-yqRDc9yIFayHZ73ba6cwc5ZMqos=",
       "requires": {
+        "bignumber.js": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
         "crypto-js": "^3.1.4",
         "utf8": "^2.1.1",
         "xhr2": "*",
@@ -38048,7 +37988,7 @@
       "dependencies": {
         "bignumber.js": {
           "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
-          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
         }
       }
     },
diff --git a/package.json b/package.json
index 5e5b9e893..b4bd14537 100644
--- a/package.json
+++ b/package.json
@@ -248,7 +248,7 @@
     "babelify": "^8.0.0",
     "beefy": "^2.1.5",
     "brfs": "^1.6.1",
-    "browserify": "^16.1.1",
+    "browserify": "^16.2.3",
     "chai": "^4.1.0",
     "chromedriver": "^2.41.0",
     "clipboardy": "^1.2.3",
@@ -312,7 +312,7 @@
     "nyc": "^13.0.0",
     "open": "0.0.5",
     "path": "^0.12.7",
-    "png-file-stream": "^1.0.0",
+    "png-file-stream": "^1.1.0",
     "prepend-file": "^1.3.1",
     "prompt": "^1.0.0",
     "proxyquire": "2.0.1",