better exception display of cliError in program entrance

bin/cc-cli

@@ -147,7 +147,7 @@ except BadArgument as e:
 except KeyboardInterrupt:
     exit(1)
 except cliError as e:
-    printer.error("cliError: %s"%str(e))
+    printer.error("%s: %s"%(type(e), str(e)))
 except Exception as e:
     if cccli.debug:
         if "printer" in locals():