Update to v0.4.0

Change: Update ko deferred from 3.2.0 to 3.2.1
Change: Reduced qty of log messages which were impacting performance
Change: Added unsetConstant function
Change: Streams now include their name as a property
Bugfix: Tab list now updates correctly if tab is added to the currently
active section.
Bugfix: Layout incorrect when no installation of PA detected