a more english way to check type with theory.

is

;module.exports=require('theory')
('is', function(a){
  return function(what){
		return {
			binary: a.bi.is(what)
			,number: a.num.is(what)
			,text: a.text.is(what)
			,list: a.list.is(what)
			,object: a.obj.is(what)
			,func: a.fns.is(what)
		}
	}
});