fixed bad use of _tablesize in Hashbits
debugging in progress
misc changes
merged testing
re-added threshold
added extract-single-partition script
added paired-end combine and abyss running scripts
fixed k suffix
minor adjustment to output (no trailing space); fixed some error conditions in join_partitions
removed all the printout
fixed hashtable to hashits
fixed two bugs in do-subset-merge
switched to hashbits
added strip-partition script
Merge /u/t/aws/khmer into exclusion
updated for filtering multiple files
updated quality-trim to remove trailing Ns
added load-ht-and-tags script
changed tag density
pe stuff