wrap ANSI codes so Readline knows where the prompt ends
Revert "wrap ANSI codes so Readline knows where the prompt ends"

This reverts commit e7dee897b06861b6584c02ca7db8abd9dd695bcb.

Not sure I need this...
Hirb isn't enabled by default. To use, run Hirb.enable in the console
Default Pry editor is MacVim
being picky
Use prompt separator from https://github.com/sindresorhus/pure