1.1.0

• Changed AtInternetRegistrar.getInstance()'s type to AtInternetDispatcher so that methods specific to this dispatcher can be easily called.

• Added the ability to set your own ATInternet Tracker instance using setTrackerOverride() on AtInternetDispatcher.
  Use AtInternetRegistrar to get the instance of this class.
  Ex: AtInternetRegistrar.getInstance().setTrackerOverride(myTracker)