Temporarily disable referer validation.
add shopping model and shopping resource
register shoppingResource with api
delete related_name for film1-8
add related_name for film 1-8
delete redundant line
correct indent error
correct typo
correct mistakes
add shopping form
correct validate_form
add form into include list
fix issue when there are none in recent rfs and shopping
Fix a whitespace issue that result in null returns
fix typo
add try-except clause for get_recent()
import sys for exception access
change exception behavior
New validation logic

WTH, John's customized hooks are really not good ideas. While
validate_data and before_save are both hooks in the same state
zone(after the request data has come in, before changes are stored),
hooking behaviors on both sides makes it confusing.
fix a typo