Fix submodule gitx usage

Dunno why I needed to do this, I seem to recall it worked before all my changes… maybe I was just using some other fork.

README update

easier on the eyes

GitX (L) V0.8.2

GitX (L) v0.8.2 Beta

GitX (L) v0.8.1

Bugfix: Avoid looping while parsing the children of a tree

Happens very intermittently, readLine keeps returning "\r".

GitX v0.7.1