Makes `git co` case-insensitive
Makes `git co` case-insensitive

`jmahmood/Flickr-Cli` didn't match the GitHub repo pattern, due to the
capital letters in the repo name.

nestukh/dotfiles,nestukh/dotfiles,nestukh/dotfiles,nestukh/dotfiles,nestukh/dotfiles,nestukh/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles