updated version of die.php page'
updates index.php
added pages working with form processing and validation
udpates included functions to add form validation functions
adds pages working form validations cookies and sessions
adds database.php and world.php - now working with mysql
Revert "adds database.php and world.php - now working with mysql"

This reverts commit 8f5d115ecace15ca9516b486a1a124382ba9f1de.