added unittest config

Signed-off-by: Haralan Dobrev <hkdobrev@gmail.com>
updated Arr::get with hkdobrev patch

Signed-off-by: Haralan Dobrev <hkdobrev@gmail.com>
unit tests for new Arr::get

Signed-off-by: Haralan Dobrev <hkdobrev@gmail.com>
added --colors option to phpunit by default in the test script

Signed-off-by: Haralan Dobrev <hkdobrev@gmail.com>