python version
add .knives, so I don't lose it
remove old .knives, it's the same as knives.py
update knives.py to work more effectively

Fix many bugs, also make things work a little better w/ logging & use
latest tool options.
remove unsed logger object
Update readme.md
Check prefix validity before setting up logs
knives.py -> knives: make it $PREFIX/bin friendly
move old shell script to knives.sh
Merge branch 'py'

Conflicts:
	README.md
Remove old shell version`