add new vstruct method vsGetFieldByOffset and unittests
return field obj along with name, update tests
Merge pull request #8 from vivisect/l1berty_vstruct_fbo

add new vstruct method vsGetFieldByOffset and unittests
bitfield __main__ removal
fix emulatorFromTrace, rename, add tests
Merge pull request #13 from vivisect/l1berty_emuFromTrace_fixes

fix emulatorFromTrace, rename, add tests
visi's uber-fast update for VBitField.vsEmit()
Merge pull request #12 from atlas0fd00m/bitfield.vsEmit

Add bitfield.vsEmit() to vstruct core
Merge remote-tracking branch 'upstream/master'