v0.5.0

• Added support for multiple --collapse values (h/t @shijialee via #49)
• Added checks for funky/dangerous timestamps (h/t @jwilk via #63)
• Improved handling of colon in port numbers (and other tricky characters) (h/t @peci1 via #58)
• Added MANIFEST.in (h/t @pmlandwehr via #25)
• Switched testing from the defunct nosetests to pytest
• Ran psf/black, isort, and flake8 over codebase
• Added Makefile