code: function(otherSpahQL) {
      var conc = [];
      for(var i=0; i<this.length; i++) conc.push(this[i]);
      for(var j=0; j<otherSpahQL.length; j++) conc.push(otherSpahQL[j]);
      return new SpahQL(conc);
    }
docs: SpahQL#concat(otherSpahQL) -> SpahQL
  - otherSpahQL (SpahQL): Any other SpahQL instance.
  
  Creates and returns a new SpahQL set containing all results from this instance followed
  by all results from the given instance.