Added hasMethodNamed:(at:) to objects to test for method presence without consing.
Added hasMethodNamed:(at:) to objects to test for method presence without consing.

krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,briantrice/slate-language,krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language,briantrice/slate-language,briantrice/slate-language,krfkeith/slate-language,krfkeith/slate-language,briantrice/slate-language