Version 1.3.0

• added Assert::number() & Assert::numberOrNull()
• dropped support for PHP 5.4 & 5.5

Version 1.2.0

• Assert::bool() - fixed error message
• added Assert::null()
• added Assert::inArray() (alias for Assert::in())
• added Assert::float() & Assert::floatOrNull()
• improved some error messages

Version 1.1.0

• added method typeOrNull()
• added method true() & false()

Version 1.0.0

First public release.