v3.0.0-alpha.3

Change log

• Use loopback, private, and unique local addresses for RealIp
• Add is_informational, is_success, is_redirect, is_client_error, and is_server_error methods on status codes.
• Use a Cow in HeaderName::Custom
• Don't store whole stream to get its length in Head ext
• Added sync_route extension
• Make threadpool more robust
• Add a Stream trait to allow using different socket impls
• Allow using custom event loop
  • The custom event loop with the Stream trait should allow a separate crate to add tls support to an afire server
• Cleanup Query struct
  • Now stores a set of QueryParameter structs instead of [String; 2]
  • Implement Debug for Query
  • Rename Query::from_body to Query::from_str
• Made internal::handle::handle function public for use in custom event loops.
• Made error::AnyResult public
• Disable keep-alive if only running with one thread

Full Changelog: v2.1.0...v3.0.0-alpha.3