Don't push code coverage when on hhvm environment.

Signed-off-by: crynobone <crynobone@gmail.com>
Fixes invalid condition.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2
Swap condition

Signed-off-by: crynobone <crynobone@gmail.com>
Add use Orchestra\Support\Str.

Signed-off-by: crynobone <crynobone@gmail.com>
Update badge url.

Signed-off-by: crynobone <crynobone@gmail.com>
Allow handling of response when null or false via callback.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2

Signed-off-by: crynobone <crynobone@gmail.com>

Conflicts:
	README.md
Merge branch '2.2'