add phpspec
add hhvm driver spec
Update task
Update coveralls task code
phpspec to phpunit
add abstract driver
add assert
throw exception
detect driver
driver detector bugfixed
Refactaring
remove hhmv test
Merge remote-tracking branch 'origin/1.1.0-wip' into 1.1.0-wip
Merge remote-tracking branch 'origin/hhvm-wip' into 1.1.0-wip