v1.4.0

• Improve test suite and add .gitattributes to exclude dev files from exports.
  Add PHP 8 support, update to PHPUnit 9 and simplify test setup.
  (#26 by @andreybolonin, #27 and #28 by @SimonFrings and #29 by @clue)

v1.3.0

• Feature: Add support for custom filter callbacks
  (#25 by @clue)

  $tokenizer = new Tokenizer();
  $tokenizer->addFilter('ip', function ($value) {
      return filter_var($ip, FILTER_VALIDATE_IP);
  });
  $tokenizer->addFilter('lower', function (&$value) {
      $value = strtolower($value);
      return true;
  });
  
  $router = new Router($tokenizer);
  $router->add('add <name:lower>', function ($args) { });
  $router->add('--search=<address:ip>', function ($args) { });

• Improve test suite by locking Travis distro so new future defaults will not break the build
  (#24 by @clue)

v1.2.2

• Fix: Assume argv to be empty if not present (non-CLI SAPI mode)
  (#23 by @clue)

• Improve test suite by adding PHPUnit to require-dev and ignoring HHVM build errors for now.
  (#21 and #22 by @clue)

v1.2.1

• Fix: Use casted filter value for options with boolean values
  (#20 by @clue)

v1.2.0

• Feature: Add support for predefined filters to limit accepted values and avoid requiring double dash separator
  (#19 by @clue)
• Feature: Support preset option values, option values now accept any tokens
  (#17 by @clue)
• Feature: Unify handling ellipses after any token and whitespace around option values
  (#17 by @clue)

v1.1.0

• Feature: Support alternative groups and optional parentheses
  (#15 by @clue)
• Fix: Fix multiple arguments, only skip whitespace inbetweeen once
  (#16 by @clue)

v1.0.0

• First stable release, now following SemVer
• Improve documentation and usage examples

Contains no other changes, so it's actually fully compatible with the v0.2.0 release.

v0.2.0

• Feature / BC break: Add support for long and short options with or without option values
  (#8, #11,# 12 by @clue)
• Feature: More flexible recursive parser with support for optional keywords and required attributes
  (#9, #10 by @clue)

v0.1.0

• First tagged release