Merge from smtlaissezfaire at http://github.com/smtlaissezfaire/jslex…
Cleaned up a little.
Get the tests 100% green with common js module system
Convert tabs => spaces
cleanup jslint errors
Added TokenDef.always for tokens that always return a constant value.
Added support for ignoring a token.
Added a README.
Added a small test-suite.
Lexing appears to work.
Added license message.
Initial commit. Lexing doesn't work.