TODO list for Perl module Handel (in no particular order):
- Handel::Checkout new/add_handler needs opto/memoization
- Handel::Order needs to set updated field automagically
- Update create_accessors to take an accessor_map/ro/wo/rw
- AxKit Tablibs need reworked for subclassing
- TT plugins need reworked for subclassing
- add taglib test to check for bogus filter names
- enhance demo sites to use full feature set
- slim taglib code to remove repeated code blocks left for clarity
- find translation volunteer other than Google translate
- clean up cart test variable names
- add additional cart restore w/filter tests for multiple saved carts
