Update seqdb
Update TFF
Update version
Minor fix for parsing options
Improve error handling
Use relative import for searching TFF
Improve logging
Fix style nits
Bump version number
Makefile tweak
Update TFF
Add tffstub
Minor fix for tffstub
Check TFF signature
Check TFF signature
Update TFF
Use external TFF package if possible
Update version
Update tff
Update seqdb