fmbiete/Z-Push-contrib — pull request #23 by Takika (2014-01-13 15:53:08+00:00)
Title: Avoid 'Division by zero' error if no Sinkable backends

If none of the included backends have ChangeSink the
```php
$timeout_backend = (int) ($timeout / $this->numberChangesSink);
```
will drop an 'Division by zero' error. With this PR we can avoid this error.