Added the ability to enable Session Upload Progress
Added a progress method to AbstractController.
Fixed a bug in RouteLoader and created frontend helpers.
Fixed a bug where not the correct request value was taken to access the session.
Changed progress to progressRoute and introduced helper function progressKey
Fixed RouteLoaderTest, we're now working with arrays.
Changed function names for upload progress helpers.
Added a cancel method to AbstractController.
Enable cancelation flag for configuration.
Added cancel helper functions incl. Twig extension.
Renamed use_upload_progress to enable_progress.
Added custom progress function for BlueimpController.
Added a hint for the new Session upload progress implementation to the readme file.
Documented the Session upload progress feature.
Added a test to check the PHP version if you want to use the progress/cancelation feature.
Refreshed the configuration reference in documentation.
Merge pull request #22 from 1up-lab/upload-progress

Upload progress