Version 1.2.0

• Minor changes to path joining logic
• Increased minimum required PHP version to 5.6
• Updated tests to work with PHPUnit 6
• Updated travis build
• Slightly improved the bundled autoloader

Version 1.1.2

• Slightly reworked how the paths are built

Version 1.1.1

• Maintenance release that simply addresses some coding standards issues

Version 1.1.0

• Added Path::normalize() method for normalizing a single path.
• The Path::join() method now correctly returns '.' instead of an empty
  path, similar to the dirname() function.

Version 1.0.1

• Improvements in code quality and documentation