Upgrading version to 2.0.15-dev
Improved the docblocks to incluce the source of the contentLoaded function.
The hidden input field has now visibility=hidden instead of display=none

Fixes #111
Upgrading version to 2.0.15 (The hidden input field uses visibility=hidden now.)
Merge tag 'v2.0.15'

The hidden input field uses visibility=hidden now.