Added two device object table functions for COV support.
Corrected demo COV handler interaction with TSM, COV flags, and multiple subscriptions for the same object.
Print on output every change of Event_State for analog-value objects.
Added write_property_function for analog-input objects.
Created descriptor for analog-input objects.
Possible to write Present_Value for analog-inputs when Out_Of_Service is true.
- writable Relinquish_Default and Units
- added properties required for intrinsic reporting.
Intrinsic reporting for analog-value. First commit.
Not everything finished (inter alia Time_Delay, Event_Time_Stamps, ACK_Required doesn't work now).
Initialize all objects in Device_Init function.
Added function to read current time.
Defined enum BACNET_LIMIT_ENABLE.
Started cache address.