Version 4.4.0

• Increase minimum required PHP version 5.6
• Ensure that unit tests also work in PHPUnit6
• Improve the bundled autoloader script slightly
• Update to latest coding standards
• Add PHP 7.1 tests to travis build

Version 4.3.1

• Addressed minor documentation and coding standards issues

Version 4.3.0

• Introduced ClassFinder for handling class file searching operations.
• Reduced overall code complexity.

Version 4.2.0

• ClassLoader::findFile now does a better job of canonizing directory separators
• ClassLoader::loadFile will now always return true or throw an exception,
  irregardless of verbose setting
• Class loader will now look in the include_path last
• Some documentation clarification and fixes
• Overall changes in code to reduce the complexity