Language tool work

• start of language and card db processing cleanup
• stop supporting python < 3

German Renaissance Translation

German Renaissance Translation

Captain/Church Promos; visual twearks and fixes

• Added Captain and Church Pomos
• brighten up night background banner
• tweaks to Set names printing
• allow cost / set-icon to be displayed in body-top ONLY
• Some French translations
• Fix card typos. (#252)

Dutch Empires; Card selection by type

• Empires expansion Dutch translation
• option to select subsets of cards by card type
• fix for left-align

More tab options, more dividers per page

• big code refactor by @wvoigt
• more options for how many tabs to produce and where to produce them
• optimization of how many dividers are produced per page, including rotated ones
• more options for divider outlines

Generic label support, German translations, Fixes

• various little fixes for Renaissance update
• support for blank dividers
• support for different label sizes, not just a specific Avery size
• extended German translation and fixes

Renaissance Support

• Full support for Renaissance expansion

Expansion/extra divider fixes, black tabs, German Nocturne and Dark Ages

• German Nocturne and Dark Ages
• Various fixes that were making dividers only printed under certain options (e.g. expansion dividers) throw errors
• option to make the tab background black instead of white

Python 3 support

This mainly adds python 3 support, as the web generator is switching to django 2 and python 3.

translation improvements; additional script options

• Dutch/German 2nd edition translations, fixes
• Dutch Adventures translation
• option to create starter decks, trash, curse, etc. dividers
• option to print page with options used in script