Visual Test Shell for BACnet SVN

Fix about box to generate a version string at run time.

Network vs. host endian issues for incoming packets (again!)

Clean up IP address issues in scripting. DA and SA parameters may now be IP addresses, which is better than the silly octet strings.

New support for device objects.

New dialog to access device objects defined in the session database.

New functions to find out if a client and server are bound to each other.

Update to allow unbinding an interface.

Remote broadcast uses a DNET without a DADR, comment out the bogus error check.

Changed the way stPropIDs string table was used. This removed warnings about a zero sized array.

Added casts and changed var types to remove warnings.