1.0.0

• Fix: Remove useless auto-review tests (#1), by @localheinz
• Fix: Do not require codecov to pass (#2), by @localheinz
• Fix: Remove non-standard PURGE method (#3), by @localheinz
• Enhancement: Extract interface for RFC7231 (#5), by @localheinz
• Fix: No need to run build on PHP 7.2 twice (#6), by @localheinz
• Enhancement: Extract interface for RFC5789 (#7), by @localheinz
• Enhancement: Add interface for RFC2068 (#8), by @localheinz
• Enhancement: Add interface for RFC3253 (#9), by @localheinz
• Enhancement: Add interface for RFC3648 (#10), by @localheinz
• Enhancement: Add interface for RFC3744 (#11), by @localheinz
• Enhancement: Add interface for RFC4437 (#12), by @localheinz
• Enhancement: Add interface for RFC4791 (#13), by @localheinz
• Enhancement: Add interface for RFC4918 (#14), by @localheinz
• Enhancement: Add labels (#20), by @localheinz
• Enhancement: Add interface for RFC5323 (#15), by @localheinz
• Enhancement: Add interface for RFC5842 (#16), by @localheinz
• Enhancement: Add interface for RFC7540 (#17), by @localheinz
• Enhancement: Add interface for Squid cache request methods (#18), by @localheinz
• Enhancement: Add interface for Varnish cache request methods (#19), by @localheinz
• Fix: Case (#21), by @localheinz
• Enhancement: Wrap extended interfaces (#23), by @localheinz
• Enhancement: Aggregate HTTP methods related to WebDAV (#22), by @localheinz
• Bump phpunit/phpunit from 8.2.3 to 8.2.4 (#24), by @dependabot-preview[bot]
• Enhancement: Update README.md (#25), by @localheinz
• Enhancement: Update CHANGELOG.md (#26), by @localheinz