Fix: Error suppressed in CallService()

1. Fix: Error suppressed in CallService(). This makes users unaware of the actual error from called service.

Closes #5 (closed)

routebuildermdl/serviceCachemdl.go

@@ -175,8 +175,8 @@ func CallService(name string, rs *gjson.Result, isRestricted bool, isRoleBased b
 	serviceCache := tmpSvcCache
 	res, _, err := serviceCache.Service(rs, p)
 	if err != nil {
-		loggermdl.LogError("Service execution failed for ", name)
-		return nil, errormdl.Wrap("Service execution failed for " + name)
+		loggermdl.LogError("Service execution failed for ", name, " : ", err)
+		return nil, err
 	}
 	return res, nil
 }