ZAS Win32/Win64 Beta 2.0.1 (build 386) 03/12/2014

+ Bootstrap and DHT operation can be disabled (operation in direct connect
mode only) 
+ Save phonebook, chat and user files at any update
+ Option: select if <Enter> or <Ctrl+Enter> sends message in chat
+ Option: send "keep alive" packets. Allows operation from behind NAT 
without port forwarding.
+ Program maintains list of recently used audio devices. By default, audio 
device is selected as first available from the list.  
+ Fixed bug in file transfer dialog
+ Fixed bug in "Find" operation
+ DH crypto library: small modifications and improvements.