timers_unix.c : remove sigint and sigterm catch
sdo : Allow multiple servers
The sdo transfer struct is not anymore referenced by server's node id but by
client or server number in the OD. Node id is not relevant in SDO transfert.

LIBRARY	can_peak_win32
	
EXPORTS
   canReceive_driver
   canSend_driver
   canOpen_driver
   canClose_driver