Properly handle connection errors

Limit subprotocol and extension lengths

Document ASIO timer bug (low prio, but still important)

Document ASIO timer bug (low prio, but still important)

Node.js: add getResponsePrototype, getRequestPrototype again

Bump to v0.12.0

Bump to v0.11.0

Bump to v0.10.0

Bump to v0.9.0

Bump to v0.8.0