GitLab

Fixed issue #19 'Rake not auto completing'.  The stat command syntax that was being used was not correct. Or at least on my machine.  See man page for the stat command

Based on Evan's prompt, it uses colors, shows the exit status of the
last command if it was non-zero, and displays "#" when running
with elevated privileges

This means we are running it after $PATH has potentially been set up,
which means it's more likely that commands like "git" will be found

Moving all zsh config options into a lib/ subdirectory to make way for some upcoming changes to directory structure and configuration options

`git-symbolic-ref` needs to be `git symbolic-ref`