Eu Vat Validator Versions Save

• Minor version with a few code enhancements.

• #10 Fix the eu.europa API redirection - as calls are currently rejected since the VAT Europa URL has now been moved with 301 redirection to the HTTPS version.
  • v3.0, however, there is no breaking changes 😎 You can sit back and relax! 🎉

• Minimum PHP required version is now 7.1 (previous versions are still supporting PHP v7.0).
• Adding PHP 7.1 features in code.
• Update PHPUnit & Phake versions to their newest versions.
• Few enhancements in the source code as well.
• Add GitHub's CI Workflows Action for running the application’s unit tests on every push/pull request.

• PHP code cleanups.
• Added missing LICENSE file (GPL v3).
• Update README file.

• Code Improvements (better readability).
• Year Bumped (header comments).
• Removed redundant comment.

This version fixed some bugs/issues:

• Removed unreachable statement #8
• Constructor should throw the exception #7
• Remove redundant throw annotation #5

Thanks to @hkwak for the changes 🎉

• Fix #2; Some VAT's business addresses got commas.
• PSR-2 cleanup; Add newline between method declarations.

• Fix typo ($oExecpt => $oExcept)
• Use DIR (PHP 5.3) instead of dirname(FILE)
• Use short array syntax []
• [Cleanup] PSR-2 + fix wrong indentation + fix wrong phpdoc tags/doc blocks
• Add missing phpdoc single-line comment
• Validator::$oResponse was declared dynamically
• Remove unused Validator::$oProvider attribute
• Add intro image on README file (to make it more attractive :))
• Add two Phake::verify for better test coverage

• Make sure country code is always uppercase
• Adding unit tests
• Adding Problem/Solution sections with better explanations in README file