0.2.1
Add support for SegmentBase manifests with reference_type = 1.  (Multi-level SIDX.)
Finish externalizing live toggle.  The player no longer attempts to discover liveness from the manifest.
Add a live toggle to the main UI.
Fix an issue where a custom value in the text input was ignored.
Fixed some bugs and clean up the SIDX loading.
Clean up some of the UI.
Added some new MediaSource test pages.
Expanded test.html to work with byte ranges.
Redid how live works again to support particular streams.  Live still needs more work.