stash... need to swap dirs
several fixes

1) to allow left-hand v deletions and right-hand j ones
2) to be kinda of tolerant of j matches ending before the end of the
query sequence (will still crash it in places)
3) finish adding hamming-to-naive plots
arg subtree broke the readme
Merge commit '365ec7d237d08bd4042e56e09d5aa87804208634'

Conflicts:
	ham/readme.md