Re-factored MOTD class into its own file

Added proper control methods to the MOTD class
Added reload_motd method to Commands class (with cmd)
Moved most integral MOTD statements outside of the Commands class
Assigned sender, user, msg and cmd vars to client object (more global)
Renamed commands folder to cmdmodules
Fixed owner commands blocking user commands
Fixed incorrect logging directory (again)
Fixed imports on the cmdHandler