qa/src/sortinst.c: increase buffer size, add -v for value sorting
qa/src/sortinst.c: increase buffer size, add -v for value sorting

Both changes needed for qa/798.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp