1.4.0

• Added: getters on MultiConstraint - composer/semver#35.

1.3.0

• Fixed: stability parsing - composer/composer#1234.
• Changed: collapse contiguous constraints when possible.

1.2.0

• Changed: allow multiple numerical identifiers in 'pre-release' version part.
• Changed: add more 'v' prefix support.

1.1.0

• Changed: dropped redundant test namespace.
• Changed: minor adjustment in datetime parsing normalization.
• Changed: ConstraintInterface relaxed, setPrettyString is not required anymore.
• Changed: AbstractConstraint marked deprecated, will be removed in 2.0.
• Changed: Constraint is now extensible.

1.0.0

• Break: VersionConstraint renamed to Constraint.
• Break: SpecificConstraint renamed to AbstractConstraint.
• Break: LinkConstraintInterface renamed to ConstraintInterface.
• Break: VersionParser::parseNameVersionPairs was removed.
• Changed: VersionParser::parseConstraints allows (but ignores) build metadata now.
• Changed: VersionParser::parseConstraints allows (but ignores) prefixing numeric versions with a 'v' now.
• Changed: Fixed namespace(s) of test files.
• Changed: Comparator::compare no longer throws InvalidArgumentException.
• Changed: VersionConstraint now throws InvalidArgumentException.

0.1.0

• Added: Composer\Semver\Comparator, various methods to compare versions.
• Added: various documents such as README.md, LICENSE, etc.
• Added: configuration files for Git, Travis, php-cs-fixer, phpunit.
• Break: the following namespaces were renamed:
  • Namespace: Composer\Package\Version -> Composer\Semver
  • Namespace: Composer\Package\LinkConstraint -> Composer\Semver\Constraint
  • Namespace: Composer\Test\Package\Version -> Composer\Test\Semver
  • Namespace: Composer\Test\Package\LinkConstraint -> Composer\Test\Semver\Constraint
• Changed: code style using php-cs-fixer.