package: fixed `base64id` requirement
Release 0.9.13
manager: fix memory leak with SSL
Release 0.9.14
transports: escaping (fixes #1251)
Release 0.9.15
transports: added tests for htmlfile escaping/unescaping
Release 0.9.16
expose test http client
mv test client into support and do not ignore dir

so that users of socket.io can use it for testing purposes