Docstrings for spreads.tkconfigure
Some more PEP8 fixes
Docstrings and more comments for spreads.workflow
Add PEP8 check to Travis configuration
autorotate: Add docstrings
djvubind: Add docstrings
hidtrigger: Add docstrings
intervaltrigger: Docstrings
pdfbeads: docstrings
scantailor: docstrings and comments
tesseract: docstrings and comments