Airing out the attic

This is a minor maintenance release. Notable changes include:

• Switched from megacheck to staticcheck (#1)
• Switched from Gopkg to Go modules
• Updated Makefile for Go modules
• Updated to cli-ng 1.1.0
• Updated Copyrights
• Minor code cleanup
• Added check for root access before running to deal with permissions issues

proc-licious

v1.0

Use FindStringSubmatch instead of casting all the things