UUIDCodec fix

Author: mustafaiman

src/codec/UUIDCodec.ts

@@ -2,9 +2,10 @@ import ClientMessage = require('../ClientMessage');
 import {UUID} from '../core/UUID';
 export class UUIDCodec {
     static decode(clientMessage: ClientMessage, toObject: Function): UUID  {
-        var uuid: UUID;
-        uuid.mostSignificant = clientMessage.readLong();
-        uuid.leastSignificant = clientMessage.readLong();
+        var uuid: UUID = {
+            'mostSignificant': clientMessage.readLong(),
+            'leastSignificant': clientMessage.readLong()
+        };
         return uuid;
     }
 }