Added custom backtrace generator for Rubinius' "awesome_backtrace"
Make myco_spec reference the right test name
Improve Meme implementation with Rubinius::Executable#invoke
Add Meme#memoize property and associated improvements (memes are no longer memoized by default)
Hone Instance down from ::Object to ::BasicObject
Rename "nil" literal to "null"

--HG--
extra : amend_source : d49ba096e67fe6d43f3be8590c6ba069c5613342
Add 'void' literal
Added the "quest" operator: '?'

--HG--
extra : amend_source : abe1c74f8ff99d087740354b7b710b20d49cbc3d
Implement basic transforms in Decorator
Added syntax for 'self quests': '?foo' implies 'self?foo'
Added VoidClass#hash (equal to nil.hash)
Separate bootstrap classes into their own files

--HG--
extra : amend_source : a6c8c197af8b4209453bee1d84fe3d245fc144da