compare the IOMux implementation with other Event modules


simplify use of file-event loops, base class
logical group of connections
write to file
write to file
handle a connection
any mux reader
any mux service
any mux writer
exchange data with external command
handle a TCP connection
simulate the open() function
read from an external command
write to an external command
simplify use of poll()
simplify use of select()
TCP (socket) based service