MpaDecFilter: updated E-AC3 HDMI bitstreaming.
MpaDecFilter: added support for TrueHD bitstreaming (HDMI).
MpaDecFilter: updated TrueHD HDMI bitstreaming.
SysVersion: Add support to detect x64 Windows.
Update Checker: Add MPC-HC version in the user-agent.
Some testing on SetAlwaysOnTop. (not working)
External filters page: Show the path of the filter using tooltips.