now throws a correct stratum error

Author: thehobbit85

bin/stratum-notify

@@ -77,7 +77,11 @@ module.exports = function (classes){
 
       if (_.has(command, 'error') && (!_.isNull(command['error']) && !_.isEmpty(command['error']))) {
         // we have an error, we need to act on that, regardless of other members in the command received
-        throw new Error(command);
+        throw Object.assign(new Error(command.error[1]), {
+          stratum_code: command.error[0],
+          stack: command.error[2],
+          id: command.id
+        });
       } else if (_.has(command, 'id') && _.isNull(command['id'])) {
         // null id, it's a broadcast most likely, we need to check the last command
         if (_.has(command, 'method')) {