New in version 17.7 (September 16th 2005) :
* Support searches for multiple file extensions, support not or !
operator too in file extension (like "zip,rar,cbz,cbr" or "!wme,!wma" or
* Network bandwidth : less pings are sent to clients (take into account
data received from client, that let us know their socket is still alive)
(take also into account lowidcallback sent to lowid clients :
piggyback in the same tcp packet a 'ping' packet)
* Ignores old eservers (versions < 17.5)