Changelog for http2-client

Unreleased changes

Change waitStream so that it automatically credits the connection. This is a breaking change due to function signature change.

v0.10.0.0

Export frameHttp2RawConnection to convert an RawHttp2Connection into an Http2FrameConnection.
Add newRawHttp2ConnectionUnix to create a RawHttp2Connection from a unix domain socket.

v0.9.0.0

introduce ClientIO as an error-carrying IO-monad for performing http2-calls

v0.8.0.2

first Changelog!
performance improvement: use TCP_NODELAY
performance improvement: change stream-initialization functions to make less work under the HEADER-protection lock