- Adds a new method to create a URL data object as a numeric array instead
of associative, thus reducing the size of the object
- Adds a new method to convert numeric URL data object array into associative
array
- Preserves backward compatibility with previous MP3 Beta versions
by checking if the URL data object is already an associative array
- Extracts common tracking data processing/validation code into the Track
class
- Refactors Clicks, Opens and View in Browser classes to enforce
subscriber id and token check
- Allows admin users to preview newsletters without tracking statistics
- (re)Added Endpoints folder to both API and Router
- fixed syntax in namespaces
- xhr.responseJSON is returned to the fail()
- fixed Router endpoints (view in browser, cron,...)
