Set version for next dev cycle.
The callback function is only supported as iOS specific function.
Removed callback support.
Code snippets und Doku angepasst.
WP8 now compatible with upcomming v0.7.0 changes.
IOS support for upcomming v0.7.0 changes.
Logik in mehrere Methoden aufgesplitted.
Android support for upcomming v0.7.0 changes.