Disable update button until changes made, does not actually work yet
changes to update button
user button validation working
user list correction. now working.
double click on task switches to tab if already open
new task bug fix
Merge branch 'feature-update-validation' of github.com:JustDuckItAll/wpi-suite into feature-update-validation
Fixed some bugs.

Still have some bugs that have to do with where the update field is enabled/disabled
fixes.
Opening existing tab by double clicking bug fix. Authors: bluelightning13, nmcmahon1215, ghfranzini
Code cleanup and the save/update button grays out when necessary. Authors: nmcmahon1215, ghfranzini, bluelightning13
Fixed bugs with opening tabs. Reserved ID 0 for placeholder use.
Fixed bug with task tabs. Authors: ghfranzini, nmcmahon1215
Fixed calendar bug. Now prevents user from selecting outside of the valid date range. Authors: ghfranzini nmcmahon1215
Fixed a bug that broke the cancel button.
don't eat
Refresh no longer causes selection to be wiped.
Braces for clarity.
Fix flickering from refresh.
fixed merge conflicts