Chrome and Firefox support in RegisterDeviceRequest #58
Description
The following fork https://github.com/jhumez/php-pushwoosh/commit/150cecd8b910e8f63b9aa630fdca259ca5d2a8c1 add Chrome and Firefix support in RegisterDeviceRequest, we should add this also.
Official documentation http://docs.pushwoosh.com/docs/registerdevice.