Overrides vim's :A command to toggle between go implementation code and test code.
:Awill open the current file's tests or the current test's implementation based on what is currently opened.
:ASwill act the same as
:Abut will move the current file to a new buffer in a split.
:AVwill act the same as
:ASbut with a vertical split.
vim-bundle install benmills/vim-golang-alternate
Otherwise download the latest tarball, extract it and move
~/.vim/ftplugin. If you're using pathogen, then move the entire folder extracted from the tarball into