Describe disabling key-chords in the README

It's good to have defaults, but nice to document a way of changing them
as well.
Merge pull request #324 from Abizern/key_chord_documentation

Describe disabling key-chords in the README
Add python support (not solved)
Merge remote-tracking branch 'origin/master' into dev
Remove problematic kk keychords
Override default move-beginning-of-line behavior
Add missing whitespace
Merge remote-tracking branch 'origin/master' into dev

Conflicts:
	README.md
Disable visual-line-mode