Add note about function in setImmediate

index.js

@@ -53,6 +53,7 @@ function requestAsEventEmitter(opts) {
 				return;
 			}
 
+			// do not write ee.bind(...) instead of function - it will break gzip in Node.js 0.10
 			setImmediate(function () {
 				ee.emit('response', typeof unzipResponse === 'function' ? unzipResponse(res) : res);
 			});