Don't crash on nil overrides.
Adjust size of repl textbox
RulesEngine now runs prep_transactions prior to find_matches so it will, um work.
Add schema 'display_tags' field to allow column sets to be defined.
Overhaul overrides editor; make ajax.
Correct amount comparison. Turns out, hash values for the int, float, and bigdecimal equivalents of a number are all different, meaning the hash lookup fails unless we strictly coerce.
Correct decision tree recursive algorithm so that chains aren't split apart (and therefore broken). Add unit tests and improve test clarity.
Drop debug output
Add organization.overrides accessor.