RolandL: Added support for collabortations from folders
RolandL: Added ability to create an item
RolandL: Added call to delete a folder and it's subcontents
RolandL/SteveE: Some code to handle session expiry, auto-refreshing of token
Pulling in changes from xtreme-roland-lopes:master
version # should be 1.4.0.
Merge pull request #39 from attachmentsme/xtreme-pull

Pulling In xtreme-roland-lopes:master: Collaboration Support, Automatic Access Token Refreshing, Recursive Delete