+If you keep getting "SSL connect error" when trying to issue requests on
+Windows, try another (newer) libeay32.dll/ssleay32.dll pair.
+
+Internals:
+ - there's a memleak with sizeof(zval) for each thrown exception,
+ which ends up in HttpRequestPoolExcepiont::$exceptionStack, in
+ HttpRequestPool::__construct(); it doesn't happen with wrapped
+ exceptions in HttpRequestPool::send().