Proposal [Rest API] Add audio and subtitle track selection options to video playback calls

Relative to this other thread of mine, about starting up a video with preselected audio and subtitle tracks, I propose that these API calls:

GET /ZidooPoster/PlayVideo?id=[id]&type=[0/1]
GET /ZidooFileControl/openFile?path=[path]&videoplaymode=[0/1]

...be extended as follows:

GET /ZidooPoster/PlayVideo?id=[id]&type=[0/1]&audio=[AI]&subtitle=[SI]
GET /ZidooFileControl/openFile?path=[path]&videoplaymode=[0/1]&audio=[AI]&subtitle=[SI]

...where the audio and subtitle parameters are, of course, optional, AI is a 0-based index into available audio tracks, and SI is 0 for no subtitles, or a 1-based index into available subtitle tracks.