makeDirectory: function(path) {
     var url = pathUtil.combine('/file/at/', path);
     return this.server.request('PUT', url, null);
 }
 saveContents: function(path, contents) {
     var url = pathUtil.combine('/file/at/', path);
     return this.server.request('PUT', url, contents);
 },
 remove: function(path) {
     var url = pathUtil.combine('/file/at/', path);
     var pr = this.server.request('DELETE', url);
     return pr;
 },
 loadContents: function(path) {
     var url = pathUtil.combine('/file/at/', path);
     return this.server.request('GET', url, null);
 },