Remove two unused inspect module imports from gnupg.py.
Fix putting keys generated during unittests into tests/generated-keys/.
Fix delete_keys command line options.
Fix sign() and encrypt() docstrings.
Add missing param to utilities methods.
Fix list_packets() call in utilities.
Add more recognized keys to ListPackets status handling method.
Merge branch 'testing/drebs/bug/3097-fix-bugs' into develop
Add symbolic link to markdown README file.

 * I don't actually remember if this solves the problem where Github looks for
   a .md file and setup.py wants a README file that must actually be a hard
   file. *le sigh*.
Merge branch 'release/1.1.8'
Merge branch 'master' into develop