fixed bug with woql query not expecting a triplebuilder

Author: kevinchekovfeeney

lib/woqlResult.js

@@ -28,6 +28,7 @@ WOQLResult.prototype.compress = function(context){
 			this.bindings[i][nprop] = nval;
 		}	
 	}
+	return this;
 }
 
 WOQLResult.prototype.first = function(){
@@ -67,11 +68,11 @@ WOQLResult.prototype.compareValues = function(a, b, asc_or_desc){
 	}
 }
 
-
 WOQLResult.prototype.sort = function(key, asc_or_desc){
 	this.bindings.sort((a, b) => {
 		return this.compareValues(a[key], b[key], asc_or_desc);
 	});
+	this;
 }
 
 WOQLResult.prototype.getVariableList = function(){