Upgrading version to 3.0.2-dev
Added image dimensions to the file object if available.

Closes #134
Defining a resize function to control how thumbnails are created is possible now.

#116
Added a totaluploadprogress event which gets called with the overall progress.
Added download files.
Upgrading version to 3.1.0
Merge tag 'v3.1.0'

Added dimensions to file object, a totaluploadprogress event and the possibility to define the resize function.