Made the flow control grammar slightly more flexible. You can now write things like if x > 0 then until x-- == 0 do --x
Added subarray methods
Updated rakefile to use latest ios sdk
Updated vim repo
Merge branch 'master' of github.com:fjolnir/Tranquil

# By Fjölnir Ásgeirsson
# Via Fjölnir Ásgeirsson
* 'master' of github.com:fjolnir/Tranquil:
  Updated installer