Versión Alpha.

Fixed:
There was a double call to onCreate in Fragment Transactions that was the root to the next problems:

- Spinner saved position
- Double iteration in logs and execution

Right now it seems to exists a problem savedTimeStamp execution path.
This is what happens in refetchData: (the last log shouldn't be here)

11-28 21:00:03.383  15630-16061/com.skilltest.gnb D/Timestamp﹕ New timestamp generated
11-28 21:00:03.393  15630-16061/com.skilltest.gnb D/Timestamp﹕ New timestamp saved in Shared Preferences
11-28 21:00:03.463  15630-15630/com.skilltest.gnb D/Timestamp﹕ Recovered timestamp from Shared Preferences
11-28 21:00:03.463  15630-15630/com.skilltest.gnb D/Timestamp﹕ New timestamp generated