Make has_digest function more robust for testing 1.8 and newer Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Remove Makefile in favor of run.sh script or manual instructions. Update readme to reflect instructions for running integration tests. Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)