* 2015-04-12 JSON output is now default via 'output' plugin mechanism. Rotates daily
* 2015-04-10 Fix for downloading files via SFTP
* 2015-03-31 Small tweaks on session close, closing session does not close ssh transport
* 2015-03-18 Merged 'AuthRandom' login class by Honigbij
* 2015-02-25 Internals for dblog/ modules changed completely. Now accepts structured logging arguments, and uses eventids instead of regex parsing
* 2015-02-20 Removed screen clear/reset on logout
* 2015-02-19 Configuration directives have changed! ssh_addr has become listen_addr and ssh_port has become listen_port. The old keywords are still accepted for backwards compatibility

* default behaviour is changed to disable the exit jail
* sftp support
* exec support
* stdin is saved as a file in dl/ when using exec commands 
    to support commands like 'cat >file; ./file'
* allow wget download over non-80 port
* simple JSON logging to kippo.json
* accept log and deny publickey authentication
* add uname -r, -m flags
* add working sleep command
* enabled ssh diffie-hellman-group-exchange-sha1 algorithm
* add 'bash -c' support (no effect option)
* enable support for && multiple commands
* create uuid to uniquely identify each session
* log and deny direct-tcpip attempts 
* add "chattr" command
* support emacs keybindings (c-a, c-b, c-f, c-p, c-n, c-e)
* add "sync" command
* accept, log and deny public key authentication
* add "uname -r" support
* logstash and kibana config files added, based on JSON log
* fix for honeypot detection (pre-auth differences with openssh)
* added verbose logging of client requested key exchange parameters (for client fingerprinting)
* fixes for behavior with non-existent files (cd /test, cat /test/nonexistent, etc)
* fix for ability to ping/ssh non-existent IP address
* always send ssh exit-status 0 on exec and shell
* ls output is now alphabetically sorted
* banner_file is deprecated. honeyfs/etc/issue.net is default
* add 'dir' alias for 'ls'
* add 'help' bash builtin
* add 'users' aliased to 'whoami'
* add 'killall' and 'killall5' aliased to nop
* add 'poweroff' 'halt' and 'reboot' aliases for shutdown
* add environment passing to commands
* added 'which', 'netstat' and 'gcc' from kippo-extra
* logging framework allows for keyword use