New functionality for using the Tracker from web frameworks such as Rails, Sinatra and Spree.
New features
- Added set_domain_user_id method (#50)
- Added set_ip_address method (#49)
- Added set_useragent method (#48)
- Added set_network_user_id method (#47)
Under the hood
- Updated payload_data to 1-0-1 (#45)
- Started using SSL for requests over HTTPS (#52)
