CJAW: Swift Blocks few more lines of code

Added few more lines of code to Swift Blocks project, which is inspiration from
https://www.bloc.io/tutorials/swiftris-build-your-first-ios-game-with-swift#!

Code here: https://github.com/swtsvn/CJAW/blob/GameMaker/NW/Blocks.zip

Apologies for the slow pace.