Release Version 2.1.3
[Added] Added fixture files for mock some data to use it in various test case.
[Added] Added CHANGELOG.md file.
[Added] Added more test case.
[Added] Created TestConfig class that extends PHPUnit_Framework_TestCase class
[Improved] Enhance a unit test methodology. everytime when phpunit is execute (for run a test), it will look up a json response by request data from local file system rather than connect to the real Omise server.
[Improved] Rewrote some function's comments for make it clear what it do.
[Changed] In /lib/omise/res/obj/OmiseObject.php, Changed refresh method access modifier from protected to public.
[Changed] Changed all test class to extends TestConfig class rather than extend directly to PHPUnit class
[Changed] Renamed some test methods to clarified what it will do.
[Changed] Changed OMISE_PHP_LIB_VERSION constant variable's value from 2.1.2 to 2.1.3 in lib/omise/res/OmiseApiResource.php.
[Removed] Removed some code that's needless for local file system test environment.
[Removed] Removed setUp, tearDown method from all test.