v3.2.0

3.2.0 - 2018-12-24

Added assertions

• Assertion::isCountable() (Thanks to Baptiste Clavié)
• Assertion::maxCount() (Thanks to Baptiste Clavié)
• Assertion::minCount() (Thanks to Baptiste Clavié)
• Assertion::nonContains() (Thanks to Baptiste Clavié)

Other changes

• Added PHP 7.3 to Travis pipeline
• Added support for \ResourceBundle and \SimpleXMLElement to Assertion::count().