Fix for issue where it was possible for the Member model to approve a member but for the MembersController to think it handn't, and thus not send the e-mail.
Fix for issue where date_added was not set correctly on the Pin.
Fix for 0.3.2 update sctipt so that it no longer silently fails the first time it hits a member with a NULL firstname.
- Set initial credit limit to 2000 (it's also now a const instead of a magic number).
Merge branch 'master' into consumables