Merge pull request developerforce#16 from paulroth3d/master

Add in queryMore method to the forceTk toolkit

Author: Pat Patterson

forcetk.js

@@ -430,6 +430,30 @@ if (forcetk.Client === undefined) {
         this.ajax('/' + this.apiVersion + '/query?q=' + escape(soql)
         , callback, error);
     }
+    
+    /*
+     * Queries the next set of records based on pagination.
+     * <p>This should be used if performing a query that retrieves more than can be returned
+     * in accordance with http://www.salesforce.com/us/developer/docs/api_rest/Content/dome_query.htm</p>
+     * <p>Ex: forcetkClient.queryMore( successResponse.nextRecordsUrl, successHandler, failureHandler )</p>
+     * 
+     * @param url - the url retrieved from nextRecordsUrl or prevRecordsUrl
+     * @param callback function to which response will be passed
+     * @param [error=null] function to which jqXHR will be passed in case of error
+     */
+    forcetk.Client.prototype.queryMore = function( url, callback, error ){
+        //-- ajax call adds on services/data to the url call, so only send the url after
+        var serviceData = "services/data";
+        var index = url.indexOf( serviceData );
+        
+        if( index > -1 ){
+        	url = url.substr( index + serviceData.length );
+        } else {
+        	//-- leave alone
+        }
+        
+        this.ajax( url, callback, error );
+    }
 
     /*
      * Executes the specified SOSL search.