0.4.4

• Updated apn package which uses the new HTTP/2 protocol which should make much more reliable and faster
• The array containing the devices' subscription in the device object have been moved to a dedicated redis key
• Implemented configuration manager used for validating the config file
• Subscription elements in the redis key now contain the device ID
• Implemented Subscription.removeAllSubscriptionsFromDevice
• Subscription.getAllDevices device identifier changed to "device.id|device.token"
• Subscription.remove accepts token as an optional argument
• User.update now returns the updated user object
• Subscription methods should take device.volatile.active into account when adding/removing subscriptions
• BUGFIX: utils.testObject has been rewritten and should be bug free now
• BUGFIX: fixed incomplete filters when a complex filter contained the AND connector
• BUGFIX: fixed object updates if an object field's contain " or ' characters
• BUGFIX: fixed Subscription.add when device.persistent is missing
• BUGFIX: Removed count LOCK key in redis if transaction fails