diff --git a/contracts/token/ApproveAndCallFallBack.sol b/contracts/token/ApproveAndCallFallBack.sol
index 10b9c8e..01bbf9b 100644
--- a/contracts/token/ApproveAndCallFallBack.sol
+++ b/contracts/token/ApproveAndCallFallBack.sol
@@ -1,5 +1,5 @@
-pragma solidity ^0.4.11;
+pragma solidity ^0.4.14;
 
 contract ApproveAndCallFallBack {
-    function receiveApproval(address from, uint256 _amount, address _token, bytes _data);
+    function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public ;
 }
diff --git a/contracts/token/MiniMeToken.sol b/contracts/token/MiniMeToken.sol
index 9d586ff..2ade3f4 100644
--- a/contracts/token/MiniMeToken.sol
+++ b/contracts/token/MiniMeToken.sol
@@ -1,9 +1,4 @@
-pragma solidity ^0.4.17;
-
-import "../common/Controlled.sol";
-import "./MiniMeTokenFactory.sol";
-import "./TokenController.sol";
-import "./ApproveAndCallFallBack.sol";
+pragma solidity ^0.4.6;
 
 /*
     Copyright 2016, Jordi Baylina
@@ -29,6 +24,11 @@ import "./ApproveAndCallFallBack.sol";
 ///  and DApps to upgrade their features in a decentralized manner without
 ///  affecting the original token
 /// @dev It is ERC20 compliant, but still needs to under go further testing.
+
+import "../common/Controlled.sol";
+import "./TokenController.sol";
+import "./ApproveAndCallFallBack.sol";
+
 /// @dev The actual token contract, the default controller is the msg.sender
 ///  that deploys the contract, so usually this token will be deployed by a
 ///  token controller contract, which Giveth will call a "Campaign"
@@ -43,7 +43,7 @@ contract MiniMeToken is Controlled {
     /// @dev `Checkpoint` is the structure that attaches a block number to a
     ///  given value, the block number attached is the one that last changed the
     ///  value
-    struct Checkpoint {
+    struct  Checkpoint {
 
         // `fromBlock` is the block number that the value was generated from
         uint128 fromBlock;
@@ -577,4 +577,47 @@ contract MiniMeToken is Controlled {
         uint256 _amount
         );
 
-}
\ No newline at end of file
+}
+
+
+////////////////
+// MiniMeTokenFactory
+////////////////
+
+/// @dev This contract is used to generate clone contracts from a contract.
+///  In solidity this is the way to create a contract from a contract of the
+///  same class
+contract MiniMeTokenFactory {
+
+    /// @notice Update the DApp by creating a new token with new functionalities
+    ///  the msg.sender becomes the controller of this clone token
+    /// @param _parentToken Address of the token being cloned
+    /// @param _snapshotBlock Block of the parent token that will
+    ///  determine the initial distribution of the clone token
+    /// @param _tokenName Name of the new token
+    /// @param _decimalUnits Number of decimals of the new token
+    /// @param _tokenSymbol Token Symbol for the new token
+    /// @param _transfersEnabled If true, tokens will be able to be transferred
+    /// @return The address of the new token contract
+    function createCloneToken(
+        address _parentToken,
+        uint _snapshotBlock,
+        string _tokenName,
+        uint8 _decimalUnits,
+        string _tokenSymbol,
+        bool _transfersEnabled
+    ) returns (MiniMeToken) {
+        MiniMeToken newToken = new MiniMeToken(
+            this,
+            _parentToken,
+            _snapshotBlock,
+            _tokenName,
+            _decimalUnits,
+            _tokenSymbol,
+            _transfersEnabled
+            );
+
+        newToken.changeController(msg.sender);
+        return newToken;
+    }
+}
diff --git a/contracts/token/TokenController.sol b/contracts/token/TokenController.sol
index 70fad1b..9dd7f91 100644
--- a/contracts/token/TokenController.sol
+++ b/contracts/token/TokenController.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.4.11;
+pragma solidity ^0.4.14;
 
 /// @dev The token controller contract must implement these functions
 contract TokenController {