Added syslog messages to fork debugging
Removed remaining printf calls
Added code to daemonise TFTP_Server
Filename sanity check
* Added a default dir "/srv/".
* Added a check to see if the filename contains ".." substring for security.

	modified:   TFTP_Server.c
Dir
* first arg is now system directory.
* otherwise it defaults to /srv/
* system will append a / if needed.

	modified:   TFTP_Server.c