Add cust ip to token generation

Author: ezewer

lib/rest2.js

@@ -1265,9 +1265,9 @@ class RESTv2 {
    * @param {Function} [cb] - callback
    * @returns {Promise} p
    */
-  generateToken ({ ttl, scope, writePermission } = {}, cb) {
+  generateToken ({ ttl, scope, writePermission, _cust_ip } = {}, cb) {
     return this._makeAuthRequest('/auth/w/token', {
-      ttl, scope, writePermission
+      ttl, scope, writePermission, _cust_ip
     }, cb)
   }