sg_format: make '-FFF' bypass mode sense/select, add --mode=MP; trim trailing spaces in dStrHex() and friends; add examples/sg_tst_async

git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@591 6180dd3e-e324-4e3e-922d-17de1ae2f315
18 files changed