fix quantities typo in function
Merge pull request #1754 from sumobi/typos

Fix quantities typo in function
Merge pull request #1753 from sumobi/process-purchase

Allow $user_data to be filtered before edd_log_user_in()
Add edd_get_option and edd_get_option_ filters. CLoses #1719
Fix settings sanitize filter. CLoses #1738
Pass $download along with edd_complete_download_purchase