Update to puma 4.3.3.
- Fix newline characters to insert malicious content (CVE-2020-5247).
- Fix carriage return character to insert malicious content (CVE-2020-5249).
- Skip a test that needs internet.
This test often takes long time on Koji.
- Update skipped tests that is unstable on Koji.
- Add man page generated using help2man.