Minor fixes release

What's Changed

• Removed the shebang from create.sh that works around the rpm packaging
  tooling that previously introduced a spurious dependency on bash.
• Refactor parsing of key and cert comments, no longer panic!() on
  malformed UTF-8 sequences in ssh key comments.
• Some minor documentation updates
• Output formatting in the examples
• Omit test_write_too_large on 32-bit platforms by @musicinmybrain in #53

New Contributors

• @musicinmybrain made their first contribution in #53

Full Changelog: v1.1.1...v1.1.2