[wip] Attempt to cache project by default.
[wip] Prevent '0' from being a buffer's target.
[wip] Updated README with some heads up.
[wip] Used proper syntax for Vim scripts.
[wip] Patched typo; forgot a quotation mark.
[wip] Ensure we don't try to update when a target doesn't exist.
[wip] Give more feedback when setting buffer options.
[wip] Caught merge-neglected code.
[wip] Gave a bit more feedback when starting up Vim.
[wip] Removed double calls to VimEnter func.
[debug] Don't filter out non-existing files.
[integrations] Add gitter.im
[wip] Major one. Going to regret this one.