Generic Serial Ouput Controller Updated to work with to/from output

[teberle]

The Generic Serial controller output packet was being sized based on the total number of channels that were configured. The controller has now been modifed to build the output packet based on the configured number of channels.

See forum thread http://doityourselfchristmas.com/forums/showthread.php?25176-Generic-Serial-Output-byte-count

Attached is the 2.1 version of the updated dll.