Membership.constructor (usr, level)
constructor function for membership objects

Sourcecode in Membership/objectFunctions.js:
1:   function constructor(usr, level) {
2:      this.user = usr;
3:      this.username = usr.name;
4:      this.level = level ? level : SUBSCRIBER;
5:      this.createtime = new Date();
6:      return this;
7:   }