Remove AnyCharacter#(var count) for now
Implemented span construction for ZeroOrMore<CharacterSet>

--HG--
extra : amend_source : 8f1df06b0c174eed7a54946b75f089f9355e4ea8
Added Capture
Added Composition
Fix some order-of-execution bugs with Machine and Instructions
Added Processor
Implemented basic Capture (for now acts also like Composition will)
Basic Composition post-processing complete
Some refactoring to processing layer

--HG--
extra : amend_source : 4ef7029cde9367f0f1431a5d201f7a2f006ba55b
Added Builder