- Adds a function to generate a 'debug' catalog. This prepends 'X_X '
to strings, to make it obvious in-game which are translated and which
aren't, while still remaining usable.
- cleans up the code and formats to PEP8 properly (except for line
lengths).
Differential Revision: https://code.wildfiregames.com/D3617
This was SVN commit r24966.