Fix other contracts

tests/testdata/input_contracts/calls.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.17;
+pragma solidity 0.5.0;
 
 
 contract Caller {
@@ -8,29 +8,29 @@ contract Caller {
 
 	uint256 statevar;
 
-	function Caller(address addr) {
+	constructor(address addr) public {
 		fixed_address = addr;
 	}
 
 	function thisisfine() public {
-	    fixed_address.call();
+	    fixed_address.call("");
 	}
 
 	function reentrancy() public {
-	    fixed_address.call();
+	    fixed_address.call("");
 	    statevar = 0;
 	}
-	
-	function calluseraddress(address addr) {
-	    addr.call();
+
+	function calluseraddress(address addr) public {
+	    addr.call("");
+	}
+
+	function callstoredaddress() public {
+	    stored_address.call("");
 	}
 
-	function callstoredaddress() {
-	    stored_address.call();
-	}	
-	
-	function setstoredaddress(address addr) {
+	function setstoredaddress(address addr) public {
 	    stored_address = addr;
-	}	
-	
+	}
+
 }

tests/testdata/input_contracts/environments.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.16;
+pragma solidity 0.5.0;
 
 
 contract IntegerOverflow2 {

tests/testdata/input_contracts/ether_send.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract Crowdfunding {
 
   mapping(address => uint) public balances;

tests/testdata/input_contracts/exceptions.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract Exceptions {
 
     uint256[8] myarray;
@@ -28,7 +31,7 @@ contract Exceptions {
         if (input > 0) {
             uint256 i = 1/input;
         }
-    }    
+    }
 
     function arrayaccess(uint256 index) {
         uint256 i = myarray[index];

tests/testdata/input_contracts/kinds_of_calls.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract D {
     uint public n;
     address public sender;

tests/testdata/input_contracts/metacoin.sol

@@ -1,11 +1,12 @@
-pragma solidity ^0.4.17;
+pragma solidity 0.5.0;
+
 
 contract MetaCoin {
 	mapping (address => uint) public balances;
 	function MetaCoin() public {
 		balances[msg.sender] = 10000;
 	}
-	
+
 	function sendToken(address receiver, uint amount) public returns(bool successful){
 		if (balances[msg.sender] < amount) return false;
 		balances[msg.sender] -= amount;

tests/testdata/input_contracts/nonascii.sol

@@ -1,4 +1,6 @@
-pragma solidity ^0.4.22;
+pragma solidity 0.5.0;
+
+
 contract nonAscii {
   function renderNonAscii () public pure returns (string) {
 	  return "Хэллоу Ворлд";

tests/testdata/input_contracts/origin.sol

@@ -1,8 +1,11 @@
+pragma solidity 0.5.0;
+
+
 contract Origin {
   address public owner;
 
 
-  /** 
+  /**
    * @dev The Ownable constructor sets the original `owner` of the contract to the sender
    * account.
    */
@@ -12,7 +15,7 @@ contract Origin {
 
 
   /**
-   * @dev Throws if called by any account other than the owner. 
+   * @dev Throws if called by any account other than the owner.
    */
   modifier onlyOwner() {
     if (tx.origin != owner) {
@@ -24,7 +27,7 @@ contract Origin {
 
   /**
    * @dev Allows the current owner to transfer control of the contract to a newOwner.
-   * @param newOwner The address to transfer ownership to. 
+   * @param newOwner The address to transfer ownership to.
    */
   function transferOwnership(address newOwner) onlyOwner {
     if (newOwner != address(0)) {

tests/testdata/input_contracts/overflow.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract Over {
 
   mapping(address => uint) balances;

tests/testdata/input_contracts/returnvalue.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract ReturnValue {
 
   address callee = 0xE0F7e56e62b4267062172495D7506087205A4229;

tests/testdata/input_contracts/suicide.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract Suicide {
 
   function kill(address addr) {

tests/testdata/input_contracts/underflow.sol

@@ -1,3 +1,6 @@
+pragma solidity 0.5.0;
+
+
 contract Under {
 
   mapping(address => uint) balances;

tests/testdata/input_contracts/weak_random.sol

@@ -1,4 +1,5 @@
-pragma solidity ^0.4.16;
+pragma solidity 0.5.0;
+
 
 contract WeakRandom {
     struct Contestant {