Having a difficult time getting your honeydew list checked off because you're trying to level up in Mafia Wars? You may want to just chuck the whole sheet of paper in the trash. Buried deep in Google Plus' source code are a few curious references to at least two new services that may very well be destined for the invite-only social networking suite. The first is Google Games, the tech giant's first venture into the world of social gaming. While this isn't a big stunner -- recent job postings insinuated that this feature would come around sooner or later -- it makes perfect sense for it
