5 HttpResponse class is only available for PHP >= 5.1
7 If you keep getting "SSL connect error" when trying to issue requests on
8 Windows, try another (newer) libeay32.dll/ssleay32.dll pair.
11 - there's a memleak with sizeof(zval) for each thrown exception,
12 which ends up in HttpRequestPoolExcepiont::$exceptionStack, in
13 HttpRequestPool::__construct(); it doesn't happen with wrapped
14 exceptions in HttpRequestPool::send().