vim: airline: fix mod ind.; refactor caching for shorten_path
vim: airline: fix mod ind.; refactor caching for shorten_path

scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles