Merge pull request #1 from jeremymills/develop

Changes to the exception class
Began implementing a tokenizer package to ease the tokenization.
Revisions to Tokenizer::process, implemented process* helper methods internally. Perhaps we could have Token processors?
Beginnings of the Tokenizer package UTests
Commented out current parser impls, as the new tokenizer this will require complete re-vamp from what it is now
Moved symbol related into its own package
More small changes
Small updates, moved Tokens and Token into their own package in prep for Processors.
Added all T_* constants
Minor updates, needs documentation to be finished
Further comments, though impl is not complete
Added all tokens, thanks PHPCS and PHP Tokenizer
Began implementing some methods