Implement functions, arrays, maps, and while loops. Document and clean up code.

cmd/scpt/funcs.go

@@ -80,4 +80,4 @@ func doShellScript(args map[string]interface{}) (interface{}, error) {
 	} else {
 		return nil, errors.New("script not provided")
 	}
-}
+}

cmd/scpt/main.go

@@ -26,7 +26,7 @@ func main() {
 		log.Fatalln("Error parsing file:", err)
 	}
 	scpt.AddFuncs(scpt.FuncMap{
-		"print": scptPrint,
+		"print":           scptPrint,
 		"display-dialog":  displayDialog,
 		"do-shell-script": doShellScript,
 	})
@@ -43,4 +43,4 @@ func scptPrint(args map[string]interface{}) (interface{}, error) {
 	}
 	fmt.Println(val)
 	return nil, nil
-}
+}