Added a #touch method to File.
Added a #touch method to File.

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