Update PDF to use Decimal instead of float to handle very precise num…

…bers. Update for changes to ActiveState Python. Fix a few copyright dates. Update version to 6.5.4. Minor changes to obok script for stand-alone use.

Explicitly warn about KFX files. Bump version number to 6.5.3

Making sure files and versions are consistent

Remove debugging dialog from Mac App. Update version to 6.5.1

Update version number to 6.5.0

Fixes for B&N key generation and Macs with bonded ethernet ports

Topaz fixes to Mac & Windows apps, and version number update

Fox for new tags in Topaz format ebooks.

First try at a fix for the Kindle for PC encryption update

Merge branch 'master' of https://github.com/apprenticeharper/DeDRM_tools