scripts/pypackage.py: improved copying wheels back from remote build machine.
scripts/pypackage.py: improved copying wheels back from remote build machine.

We now rsync just the wheels for the sdist that we sent to the remote machine;
previously we would rsync the entire remote pypackate-out/ directory, which
could contain many unrelated wheels.

TamirEvan/mupdf,TamirEvan/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,TamirEvan/mupdf,TamirEvan/mupdf,TamirEvan/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,ArtifexSoftware/mupdf,TamirEvan/mupdf,TamirEvan/mupdf,TamirEvan/mupdf