Adds support for early stoptimes in iTunesSD
Adds support for early stoptimes in iTunesSD

I found the correct value to write into the stoptime field.

hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod,hyperair/libgpod,hyperair/libgpod,neuschaefer/libgpod,neuschaefer/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod