djacobs/PyAPNs — pull request #38 by dhruv (2013-11-24 05:33:59+00:00)
Title: Adding support for silent notifications: 

I took the liberty to implement support for silent push notifications. Please let me know if you'd like this done another way.

http://docs.xamarin.com/guides/cross-platform/application_fundamentals/backgrounding/part_3_ios_backgrounding_techniques/updating_an_application_in_the_background/