Update bango payment complete (bug 866062)
update bango payment cancelled (bug 866047)
fix typo
Bug 867305 - Webpay prod celery tasks are not logging to syslog

Moved funfactory.monkeypatch patch function call to __init__.py.
In urls.py it was not always being imported, which broke logging.
pass proper arguments to change_pin (bug 868101)
update tests
Merge pull request #131 from muffinresearch/update-bango-complete-866062

Update bango payment complete (bug 866062)
Merge pull request #132 from muffinresearch/update-bango-cancelled-866047

Update bango payment cancelled (bug 866047)
Allow backspace etc if 4 chars entered (bug 874468)