Fix bug in migration script for modifier split
Delay enforcing the not-null constraint when migrating modifiers
Fix myriad little bugs in the modifier migration script
Fix modifiers so they're actually pretty-printed

I already did half the work for this before, not sure why I didn't finish it.
Pretty print final output of Request.payout
Ensure relative modifiers are Decimal objects instead of floats
The 'db create' management command now works in more situations

It now only fails if the current revision is different than the database revision (assuming a database revision exists). It also learned a --force option to force things through.
0.5.4 release

Really just fixing a lot of bugs.