bab - cleanup old work for dead chips also
bab record/report spie and miso errors
bab - tune the chip speed based on error rates
Add bab-options
bab - spelling
Merge remote-tracking branch 'conman/master'
Merge remote-tracking branch 'conman/master'
bab - remove libbitfury dependency since it requires USB
Merge pull request #537 from kanoi/master

bab - remove libbitfury dependency since it requires USB