Implements checking for alarm state and alarm interrupt state, turning alarm off, clearing alarm, enabling and disabling alarm interrupt.
Fixes the wrong bit setting to 1 in the enable_alarm_interrupt method. Implements setting of a daily alarm, the code was not tested yet.
Implements setting of daily alarm and clearing of the alarm registers (disabling all alarms and setting them to 0:00). Tested with the implementation of setting the alarm time status. The enable/disable alarm interrupt functionality still need sometesting.
Merge pull request #4 from karlitos/master

Basic alarm checking and setting functionality is implemented and tested.