Fix issue handling 0 which is a valid row ID according to http://developer.android.com/reference/android/database/sqlite/SQLiteDatabase.html#insert(java.lang.String,%20java.lang.String,%20android.content.ContentValues)
Removed specific project reference
Merge pull request #29 from novoda/bugfix_0_is_valid_rowId

Fix issue handling 0 which is a valid row ID