Item t
Item tracking changes

- Corrected the date formats to the SQL format for all the dateTime fields
- Added code for closing a workflow
- Replaced all the users' info with a user_object dictionary
- Added a few more error validations
- The current session table now saves only correct/complete workflow information
Merge branch 'master' of github.com:MarkVSullivan/SobekCM-Web-Application