Version 4.0.0

Changed

• PHPUnit 8 is now the minimum required version
• Rename VersionsCollection to VersionCollection
• Version->getPreRelease() now explicitly returns nullable type
• Version->getBuild() now explicitly returns nullable type
• Rename Version::fromParts() to Version::from()
• Rename Version->getVersionString() to Version->toString()
• Use beberlei/assert library for input validation
• Rename Version\Comparator namespace to Version\Comparison
• Move Version\Constraint namespace to Version\Comparison\Constraint
• Rename ComparatorInterface to Comparator
• Rename ComparisonConstraint to OpeationConstraint
• Rename ComparisonConstraintParser to OpeationConstraintParser
• Rename component-level Version\Exception\ExceptionInterface to Version\Exception\VersionException
• Move comparision-related exceptions into Version\Comparision\Exception namespace
• Remove -Exception suffix from all concrete exception names
• Rename BaseExtension to Extension
• Rename PreRelease::fromIdentifiers() to PreRelease::from()
• Rename Build::fromIdentifiers() to Build::from()
• Rename PreRelease::fromIdentifiersString() to PreRelease::fromString()
• Rename Build::fromIdentifiersString() to Build::fromString()

Removed

• Version\VersionAwareInterface
• Version\VersionAwareTrait
• Version\Extension\NoPreRelease
• Version\Extension\NoBuild
• Version->isBuild()
• VersionCollection->sort()
• PreRelease->isEmpty()
• PreRelease->__toString()
• Build->isEmpty()
• Build->__toString()

Added

• OperationConstraint::equalsTo() named constructor
• OperationConstraint::notEqualTo() named constructor
• OperationConstraint::greaterThan() named constructor
• OperationConstraint::greaterOrEqualTo() named constructor
• OperationConstraint::lessThan() named constructor
• OperationConstraint::lessOrEqualTo() named constructor
• Prefix supplied in Version::fromString() is captured and included in toString() result