Fixed #26 Modified unit-test for kv class.
Fixed #57 Modified unit-test memcache class.
Fixed #49: Improved the code coverage of configuration.
Fixed #50, Improved the PHP-Unit coverage for tox.application.dao.cache.
Modified code to fit PRS-2 standard.
Merge pull request #72 from fuqiang007/master

Fixed #56 #57 modified unit-test for kv memcache class
Merge pull request #73 from Trainxy/master

Fixed #49, #50
Added the unit-test for web requests.
Merge branch 'master' of php-tox/tox
add the request test for requst and adjust request file position