Small fixes

mythril

@@ -17,7 +17,7 @@ import os
 
 def searchCallback(addresses):
     print("Match found in contract deployed at: ")
-    print(addresses)
+    print(addresses.join("\n"))
 
 def exitWithError(message):
     print(message)
@@ -40,7 +40,12 @@ parser.add_argument('--rpcport', type=int, default=8545, help='RPC port')
 
 
 app_root = os.path.dirname(os.path.realpath(__file__))
-db_path = os.path.join(app_root, "database", "contractstorage.fs")
+db_dir = os.path.join(app_root, "database")
+
+if not os.path.exists(db_dir):
+    os.makedirs(db_dir)
+
+db_path = os.path.join(db_dir, "contractstorage.fs")
 
 storage = FileStorage.FileStorage(db_path)
 db = ZODB.DB(storage)