Update README.md
Update usage message
Fix #33 and #34
Fix #32
Merge branch 'master' into documentation
Font for vilain::

use this to draw correctly the logotype:
 - vil1ain (with the '1' in vilain red or vilain gray)
 - vil2ain
 - 1a: (with the '1' in vilain red or vilain gray)
 - 2a: