Serialization Fix for Dictionaries With Key as EnumType (#340)

* Serialization Fix for Dictionaries With Key as EnumType

* better fix

* break instead of loop

Author: saikrishnav

api/Serialization.ts

@@ -280,7 +280,7 @@ export module ContractSerializer {
                                     var value = enumType.enumValues[name];
                                     if (name.toLowerCase() === lowerCaseEnumName) {
                                         resultPart = value;
-                                        return false;
+                                        break;
                                     }
                                 }
                             }