now tracks update frequencies of the server and each client now tracks update frequencies of the server and each client now forgets clients that haven't submitted a value in 5sec refactored sendlevels into a few methods new cmdline option --fast-updates to dump every DMX transmission to the console

2 : 1.0
diag : 1.0
diag-back : 1.0
f1 : 1.0
f1.5 : 1.0
f2 : 1.0
f3 : 1.0
f4 : 1.0
f5 : 1.0
f6 : 1.0
f7 : 0.5