- Added (by Joshua Judson Rosen): certificate-based authentication

  - Fixed: bug in udp_listen function when AF_INET6 is not defined

  - Fixed: bug in resource deallocation for remote admin clients

  - Fixed: enableproxy option in server's config file
  - Added: clients idle time
  - Added: 'maxidle' option
  - Modified: task scheduling subsystem has been completely rewritten
  - Fixed: segmentation fault in http tunnels after multiple simultaneous POST
	         connections from the same source
  - Fixed: unexpected connection close when http proxy was too slow
  - Fixed: SIGSEGV in http proxy mode under cygwin
  - Added: enabled the SO_KEEPALIVE option for all the sockets used by the apf
  - Added: 60 seconds timeout for SSL_connect

  - Fixed: infinite loop after buffering message
  - Fixed: corrupt packets after closing connections in the stopped state
  - Fixed: bug in mapping user numbers between afclient and afserver
  - Fixed: premature close of the service connection
  - Fixed: invalid buffering when the connection is closing
  - Added: Multiple tunnels in one afclient<->afserver connection

  - Fixed: manageport option in the afclient config file
  - Fixed: severe bug in string_cp
  - Fixed: wrong connection type used by afclient when afserver used --nossl
           or --nozlib option
  - Fixed: broken keep-alive option

  - Fixed: sockets in CLOSE_WAIT state left by afclient
  - Added: --localname and --localport options
  - Added: --localdesname option
  - Added: kicking user in 'opening' state
  - Fixed: info about kicked user
  - Fixed: TERM signal handling
  - Fixed: id lost after reconnection
  - Fixed: printing wrong client name in 'SSL_accept failed (timeout)' message
  - Fixed: ignored 'certificate' and 'key' options from config file
  - Added: config files for afclient
  - Modified: some options in afserver config file

  - Added: http proxy basic authorization
  - Fixed: logging initialization after some value checking
  - Fixed: auto-reconnect failure when --nossl option is set
  - Added: auto-reconnect when afserver is not reachable on start
  - Added: auto-reconnect after normal afserver quit
  - Added: per user statistics: idle time, amount of downloaded/uploaded bytes
           and current download/upload rate
  - Added: support for https proxies
  - Added: possibility to bind sockets on different interfaces
  - Fixed: receiving incomplete headers from afclient
  - Fixed: close user connections by afclient

  - Added: afserver certificate storing and checking
  - Modified: generating keys and certificate
  - Fixed: creating apf directory
  - Fixed: some bugs in proxy tunnel initialization

  - Added: http proxy tunnels between afserver and afclient
  - Fixed: sigint interception with threads enabled (in http proxy mode)
  - Fixed: FATAL ERROR in afclient in some situations after close of afserver
           when http proxy mode is enabled
  - Added: afclients can connect directly to afserver with enabled proxy mode
  - Fixed: timeout routine in http proxy tunnels
  - Added: 'rshow' command in ra mode displays 'tunneltype'
  - Fixed: printing IP of clients when http proxy mode is enabled
  - Added: 'tunneltype' per client in ra mode after 'cshow' command
  - Fixed: closing connection when http proxy mode is enabled
  - Fixed: threads initialization
  - Fixed: afserver closing after sigint
  - Fixed: afclient threads initialization
  - Added: 'version' option to display program version number
  - Modified: establishing afclient<->afserver connection
  - Added: 'keep-alive' option
  - Fixed: using 'proxyport' without 'proxyname'
  - Added: auto-reconnect feature to afclient
  - Added: 'ar-tries' and 'ar-delay' options
  - Modified: http proxy logging
  - Fixed: closing connection with afclient after receiving id
  - Fixed: thread closing due to wrong initialization sequence
  - Fixed: small bug in initialization process
  - Heavily Modified: logging routines
  - Added: audit option
  - Modified: default dateformat is now ISO 8601
  - Modified: printing usage
  - Fixed: bug in threads' initialization in afclient
  - Added: 'timeout' and 'dateformat' options in ra mode
  - Modified: empty dateformat disables printing '[] '
  - Added: 'audit' and 'dnslookups' options in ra mode
  - Fixed: afserver freeze bug
  - Added: 'kuser' and 'kclient' options in ra mode
  - Fixed: bug in starting afclient in ra mode
  - Added: audit log printed also after kicking the client