Re-add command line help

help/help.go

@@ -0,0 +1,22 @@
+package help
+
+import (
+	"fmt"
+
+	//"github.com/wtfutil/wtf/cfg"
+	"github.com/olebedev/config"
+	"github.com/wtfutil/wtf/maker"
+)
+
+func Display(moduleName string, config *config.Config) {
+	if moduleName == "" {
+		fmt.Println("\n  --module takes a module name as an argument, i.e: '--module=github'")
+	} else {
+		fmt.Printf("%s\n", helpFor(moduleName, config))
+	}
+}
+
+func helpFor(moduleName string, config *config.Config) string {
+	widget := maker.MakeWidget(nil, nil, moduleName, moduleName, config, config)
+	return widget.HelpText()
+}