* ci: test golang 1.16.x too * ci: style * ci: test golang 1.17.x too * bump go.mod to 1.15 * run gofmt
* Moving final return outside of if-else * Removing type declarations that Go can infer from values * Cleaning up some existing comments * Changing snake_case variables to camelCase
* Create command_win.go and command_notwin.go for windows only code * Move call to mousetrap hook into separate preExecHook() function
