Added token stack, enabling lexer to return arrays of tokens.
Test pseudo token FIFO array
Added semantic whitespace example grammar.
Fixed lexer whitespace patterns to exclude newlines, where appropriate. Improved grammar example input.
Merge remote-tracking branch 'upstream/master'

Getting zaach's latest changes.
Enabled aliased symbols in parser (issue #184). Fixed token stack (#181).
Switched shift() to pop() in token stack for speed
Merge branch 'master' of https://github.com/zaach/jison

Conflicts:
	tests/parser/actions.js
Fixed token stack test (FIFO -> LIFO for speed)
Merge remote-tracking branch 'upstream/master'
Fixed merge issues
wip
Merge branch 'cdibbs-master' into merge-cdibbs

Conflicts:
	lib/jison.js
fix token stack support
feature(bnf): enable option for token stacks in the parser grammar