v0.5.0 - CLI support

Changelog

• bada84d fix: Golang security checks by gosec #304
• c309f0a fix: Golang security checks by gosec #104
• e379d72 fix: suspect or
• 60e6cf6 fix: Golang security checks by gosec #301
• f118839 docs: update docs with cli usage
• e7db3fd chore: improve cli
• 40a6193 chore: cli argv support
• 2c62608 chore: cli argv support (wip)
• dc16601 feat: cli argv support (wip)
• 870caf5 test: Completely override return handling
• 2268163 test: improve updater coverage
• cdd9d3f test: improve updater coverage