code: function(type, prefix) {
  
      var status = this.generate(type);
  
      // @user and space afterwards
      var len = 0;
      if(prefix) { len = prefix.length + 2; }
  
      while(status.length > 140 - len) {
        status = this.generate(type);
      }
  
      return status;
    }
docs: generate a twitter safe idea (<140 chars)
  can be passed a prefix (usualy a name, for replies)
  and it takes that into account