3.1.0

• Enable --version flag (#58) via @MaxDesiatov
• Avoid referring to the master branch in ShellCommand.rawValue (#59) via @MaxDesiatov
• Fix CI by updating dependencies (#60) via @AvdLee
• Use uppercase first for changelog items (#56) via @mosamer
• Merge release 3.0.1 into master (#54) via @WeTransferBot