Improvement: Updating the selector for the rcp_get_registration_form_state.
Improvement: Removed Currency Code comparison so that global currency can be changed in the future.
Fix: Disabling upgrades prevented a customer from purchasing a second membership with multiple memberships enabled
Improvement: Add jQuery to remove special characters from discount codes in admin area, because discount codes with special characters are not valid.
Update: Changed build notation from PayPal.
