fixed error in cons.toString(), repl properly indicates when processing an IO monad, allow negative and floatingpoint numbers, grouped empty lines with emptyLinePat,
Merge branch 'origin/bill'

* refs/remotes/origin/bill:
  fixed error in cons.toString(), repl properly indicates when processing an IO monad, allow negative and floatingpoint numbers, grouped empty lines with emptyLinePat,

Conflicts:
	core/runtime.coffee
	lib/browser.js
	lib/browser.map
	lib/runtime.js
	lib/runtime.map