Added function for set last command error logging severity
Added code to login and command functions for trying to connect if connection not established.
Rewritten RouterOS SSH2 library.
Added RouterOS SFTP library - still has a problem with downloading the file!
Added RouterOS SCP library
Added put file support
Removed debug strings
Added put file support and functions to set SSH protocol version
Added SFTP connection failed logging on get/put operations
Some code cleanup