zESLAuth 1.6
(c) by eun.su.am 2010

This PHP script checks if a steamid is known in the ESL.
Requirements:
	* zBlock 4.5
	* ESL Account
	* at least PHP 4
	* fsockopen permissions
	
Changelog:
	New in 1.2:
		* Cache player infos for one week
		* Server whitelist
		* profile flags:
			* profilelink
			* team
			* teamlink
			* barred
			* playercard
			* premium
			* penaltypoints
		* added strict mode
	Changes in 1.2:
		* Moved Valid Steam check outside of class
		* team is part of profile flags
		* strstr changed to strpos
		* removed cookie var from class
		* fixed teamlink
		
	New in 1.3:
		* added option to disable caching
		* added king of the hill mode (= strict mode in flags)
		* checking for deleted accounts
	Changes in 1.3:
		* changed $_POST to $_DATA segments, easyer to debug
		* removed mail, added log, you get spamed otherwise ;<
		
	New in 1.4:
		* added option to disable statistics
	Changes in 1.4:
		* changed fsockopen to socket_ functions to allow multiple ips
		
	New in 1.5:
		* 
	Changes in 1.5
		* changed STIRCT to KOTH	
		* removed player kick if the player has no esl account

	New in 1.6:
		* added new STRICT mode, add ?strict or ?s to enable strict, it kicks users who got pp's (if PP flag is enabled),
		  barred or got no ESL acc.
	Changes in 1.6
		* small log fix