actix-router: v0.5.0-beta.1

• Fix a bug in multi-patterns where static patterns are interpreted as regex. #366
• Introduce ResourceDef::pattern_iter to get an iterator over all patterns in a multi-pattern resource. #373
• Fix segment interpolation leaving Path in unintended state after matching. #368
• Fix ResourceDef PartialEq implementation. #373
• Re-work IntoPatterns trait, adding a Patterns enum. #372
• Implement IntoPatterns for bytestring::ByteString. #372
• Rename Path::{len => segment_count} to be more descriptive of it's purpose. #370
• Rename ResourceDef::{resource_path => resource_path_from_iter}. #371
• ResourceDef::resource_path_from_iter now takes an IntoIterator. #373
• Rename ResourceDef::{resource_path_named => resource_path_from_map}. #371
• Rename ResourceDef::{is_prefix_match => find_match}. #373
• Rename ResourceDef::{match_path => capture_match_info}. #373
• Rename ResourceDef::{match_path_checked => capture_match_info_fn}. #373
• Remove ResourceDef::name_mut and introduce ResourceDef::set_name. #373
• Rename Router::{*_checked => *_fn}. #373
• Return type of ResourceDef::name is now Option<&str>. #373
• Return type of ResourceDef::pattern is now Option<&str>. #373