v0.3.0

• Features:
  • Add TLS client authentication support.
  • Add TLS OCSP stapling support.
  • Add From<Reject> for Rejection.
  • Add close_frame accessor to ws::Message.
• Changes:
  • Update to Tokio v1.
  • Update to Bytes v1.
  • Update to hyper v0.14.
  • Rework sse filter to be more like ws, with a single Event type and builder.
  • Change cookie filter to extract a generic FromStr value.