Merge pull request #68 from iustin/master

Add a --no-summary option for cmdline output
Remove executable bit from source files

It seems a lot of the files have the execute bit set, even though they're not
real executables. This is harmless, but it's also not clean, so let's fix it.
Merge pull request #69 from iustin/fixes

Remove executable bit from source files
Update the changelog
Version 1.9.2