allow longer work item ids
namespaced styles so they wouldn't bleed into tfs portal

there's better ways to do this if the goal is maintainability, of course,
but this was the quickest and simplest one-off.
set the alert to use the selected tab rather than querying for active

This was presenting problems for me - 'active: true' can return multiple tabs.
Merge branch 'SquareWave-master'
fixed scroll bar appearing in settings pane
updated readme changelog
version bump 1.3.2
1.3.2 build