v0.6.2

• adds --allow-completed, an option to allow batched restart to exit cleanly (code 0) if there are existing signatures but no new signatures could be written on this restart.
• adds additional output file for batched runs {output}.batches.txt - a file containing a list of all signature batches created.

What's Changed

• MRG: optionally allow empty sig zips; write list of batch outputs to file by @bluegenes in #249
• improve doc; bump version to 0.6.2 by @bluegenes in #250

Full Changelog: v0.6.1...v0.6.2