Add unit test

Fix string set bug
Add unit test

Initial release

Multiprocess-Shared-Preference

Wrapper around android shared preference to be accessible across multiple process

Features

• Insert string, integer, float, long, boolean & string set
• Remove string, integer, float, long, boolean & string set
• Get string, integer, float, long, boolean & string set
• Check if preference contains a key
• Get all key & value

Shared Preference for multiprocess

Wrapper around shared preference using content provider that allow access to the same data across different process.
Current operation supported :
Insert string, integer, float, long, boolean & string set
Remove string, integer, float, long, boolean & string set
Get string, integer, float, long, boolean & string set
Check if preference contains a key
Get all key & value