v0.2.1

• Relax Unpin bounds on the send Buf generic.

v0.2.0

• Add server support for PUSH_PROMISEs (#327).
• Add server::Connection::set_initial_window_size and client::Connection::set_initial_window_size which can adjust the INITIAL_WINDOW_SIZE setting on an existing connection (#421).
• Update to http v0.2.
• Update to tokio v0.2.
• Update from futures 0.1 to std::future::Future.
• Change unstable-stream feature to stream.
• Change ReserveCapacity to FlowControl (#423).
• Change Stream implementations to the optional stream cargo feature, default disabled. Specific async and poll functions are now inherent, and Stream can be re-enabled with the stream cargo feature.
• Remove From<io::Error> for Error.