Changes in version 1.3.1
Bug Fixes:
   * Readd PEAR support to the package [#30]  (Joachim Fritschi)
   * fix a __autoload conflicts in the autoloader [#36] (Joachim Fritschi)
   * fix PEAR code style errors [25] (Joachim Fritschi)
   * properly unset variables during checkAuthenticate[#35] (Joachim Fritschi)

Changes in version 1.3.0
Improvements:
   * enable single sign-out when session has already started [#29] (Benvii)

Changes in version 1.3.0RC1

Bug Fixes:
   * the saml logout url should be parsed urlencoded [#24] (dlineate)
   * fix a proxy mode bug introduced in a previous comitt [#16] (Adam Franco)
   * Fix include_path order so that the phpCAS path takes precedence [#13] (Adam Franco)
   * fix invalid characters in the php session naming [#17] (Joachim Fritschi)
   * fix an initialisation problem introduced in the PGT storage [18] (Daniel Frett)
   * make sure the PGTStorage object is initialized if a user is utilizing the createTable method [#4] (Daniel Frett)
   * Fix error message in phpCAS::setCacheTimesForAuthRecheck() [PHPCAS-132/#1] (Bradley Froehle)
   * Always return attributes in utf8 [PHPCAS-102]
   * Fix warning during debugging if debug is set to false [PHPCAS-123] (Sean Watkins)

New Features:
    * Add a script to create the PGT db table in proxy mode [#11] (Joachim Fritschi)
    * Switch to the Apache License [#5] (Adam Franco, Joachim Fritschi)
    * Move to github and add all necessary file to package [#12] (Adam Franco)
    * New build process for github [#12] (Adam Franco)
    * Update unit tests to work with the lastest phpunit version [PHPCAS-128] (Adam Franco)
    * Refacatoring of the protocol decision making to allow validation of proxied usage [PHPCAS-69] (Joachim Fritschi, Adam Franco)
    * Rebroadcast of logout and pgtiou to support clustered phpcas [PHPCAS-100] (Matthew Selwood, Adam Franco)

Improvements:
    * Improved cookie handling [] (Adam Franco
    * Indent, format and user name guidelines of PEAR [#14] (Joachim Fritschi)
    * Add a class autoloading feature [PHPCAS-125/#8] (Joachim Fritschi)
    * Remove global variables [PHPCAS-126] (Adam Franco)
    * Implementation of an exception framework to allow gracefull termination [PHPCAS-109] (Joachim Fritschi)
    
Security Fixes:
    * CVE-2012-1104 validate proxied usage of a service [PHPCAS-69] (Joachim Fritschi, Adam Franco)
    * CVE-2012-1105 change the default PGT save path to the session storage path and set proper permissions [#22] (Joachim Fritschi)

Changes in version 1.2.2

Bug Fixes:
    * Improve compatibility with php < 5.3 for E_USER_DEPRECATED [PHPCAS-116] (Hugh Eaves)

Changes in version 1.2.2RC1

Bug Fixes:
    * CASClient::getURL() cannot be private [PHPCAS-103] (Joachim Fritschi)
    * CASClient::getServerServiceValidateURL() doesn't respect existing query strings [PHPCAS-104] (Bradley Froehle, Joachim Fritschi)
    * CASClient::retrievePT() must be a public function [PHPCAS-107] (Joachim Fritschi)
    * Expose setNoClearTicketsFromUrl() to the client [PHPCAS-108]  (Joachim Fritschi)
    * Remove the PGT filestorage in xml format that is not implemented [PHPCAS-112] (Joachim Fritschi)
    * Fix compatibility of the PGT db storage interface with postgres [PHPCAS-113] (Joachim Fritschi)

Improvement
    * Support for proxied POST requests. [PHPCAS-90] (Adam Franco)
    * Add missing example for the new pgt-db storage [PHPCAS-101] (Joachim Fritschi)
    * CASClient::getServerLoginURL(): Don't cache gateway/renew parameters [PHPCAS-105] (Bradley Froehle)
    * fix parsing of cookies with special symbols in their values [PHPCAS-106] (Joachim Fritschi)
    * Removal of the debug_backtrace hack for php4 [PHPCAS-110] (Joachim Fritschi)
    * Clean up the naming structure of the classes [PHPCAS-111] (Joachim Fritschi)
    * Better debug log output format [PHPCAS-114] (Joachim Fritschi)
    * Many more examples and one central config. Improved code documentation [PHPCAS-86] (Joachim Fritschi, Adam Franco)

Changes in version 1.2.1
   * None

Changes in version 1.2.1RC1
Improvements
   * add support for storing PGTs in a database [PHPCAS-94] (Daniel Frett)
    
Bug Fixes
   * phpCAS::setDebug(FALSE) should stop logging [PHPCAS-95] (Joachim Fritschi)
   * fix checkAuthenticate return value documentation [PHPCAS-92] (Joachim Fritschi)
   * fix PGTStorage contructor name [PHPCAS-93] (Daniel Frett)
   * fix the PHPCAS_SERVICE_NOT_AVAILABLE constant [PHPCAS-91] (Daniel Frett)
   * fix redirection with multiple proxies in HTTP_X_FORWARDED_HOST [PHPCAS-98] (Joachim Fritschi)
   * fix some undefinde variable warnings in debug mode [PHPCAS-96] (Joachim Fritschi)

Changes in version 1.2.0
   * None
   
Changes in version 1.2.0RC2
Improvements
   * add callback hooks during authentication and single sign-out [PHPCAS-76] (Adam Franco)

Changes in version 1.2.0RC1
Improvements
   * add hasAttribute($key) and getAttribute($key) [PHPCAS-43] (Adam Franco)
   * add unit tests for cas 2.0 attribute support [PHPCAS-88] (Adam Franco)
   * expose the proxy chain through the phpcas interface [PHPCAS-89] (Adam Franco)
   * add deprecation messages to the logout functions with an url parameter [PHPCAS-85] (Joachim Fritschi)

Bug Fixes
	* fix  public/private modifier for some functions [PHPCAS-87] (Joachim Fritschi)

Changes in version 1.2.0-beta1

Bug Fixes
  * fix redirection behind a proxy. [PHPCAS-78] (Alex Barker)
  * remove the bogus setCasServerCert() function and clean up the curl ssl settings [PHPCAS-84] (Joachim Fritschi)
  
Improvements
   * mark the logout functions with an url parameter a deprecated [PHPCAS-85] (Joachim Fritschi)
   * add public/private modifier for all vars and functions [PHPCAS-77] (Joachim Fritschi)
   * add a testing framwork that implement on and offline testing capabilities [PHPCAS-66] (Adam Franco)
   * add RFC compliant cookie storage for the proxy() mode. [PHPCAS-54] (Adam Franco)
   * removal of the domxml compatibility lib [PHPCAS-72] (Matthew Brooks, Joachim Fritschi)
   * add support for attributes for the cas_2.0 protocol [PHPCAS-43] (Joachim Fritschi, Adam Franco)
   * removal of unused code and comments [PHPCAS-63] (Joachim Fritschi)
   * fix static function warnings for php 5.x [PHPCAS-46] (Joachim Fritschi)
   
Changes in version 1.1.3
  Bug Fixes
   * removal of the non functional pgt-db backend [PHPCAS-65] (Joachim Fritschi)

Changes in version 1.1.3RC1
 Security Issue
    * CVE-2010-3690 phpCAS: XSS during a proxy callback [PHPCAS-80] (Joachim Fritschi)
    * CVE-2010-3691 phpCAS: prevent symlink attacks during a proxy callback [PHPCAS-80] (Joachim Fritschi)
    * CVE-2010-3692 phpCAS: directory traversal during a proxy callback [PHPCAS-80] (Joachim Fritschi)

 Bug Fixes
   * fix missing $this in domxml-php4-to-php5 [PHPCAS-73] (Iñaki Arenaza)
   * fix broken redirection with safari [PHPCAS-79] (Alex Barker)
   * fix missing exit() call during ticket validation [PHPCAS-76] (Igor Blanco,Joachim Fritschi)
   * fix a notice because REQUEST_URL is not defined on IIS [PHPCAS-81] (Iñaki Arenaza)
   * fix a typo in pgt-db.php [PHPCAS-75] (Julien Cochennec)
 
 Improvements
   * upgrade domxml-php4-to-php5 to the newest version [PHPCAS-74] (Joachim Fritschi)

Changes in version 1.1.2
   * None
   
Changes in version 1.1.2RC2
 Bug Fixes
    * Prevent domxml-php4-to-php5 to be inclueded twice [PHPCAS-48] (Brad Krane)

Changes in version 1.1.2RC1
Security Issue
    * Fix a session hijacking hole CVE-2010-2795 [PHPCAS-61] (Joachim Fritschi)
    * callbackurl in proxy mode should be urlencoded CVE-2010-2796 [PHPCAS-67] (Joachim Fritschi)

 Improvement
    * Debuglog contains phpCAS version information [PHPCAS-62] (Joachim Fritschi)
    
 Bug Fixes   
    * Fix warnings for SAML responses without attributes [PHPCAS-59] (Joachim Fritschi)
    * Fix duplicate SAML debug output [PHPCAS-64] (Joachim Fritschi)
    * Providing a new ST/PT/SA during an authenticated session will be ignored 
      and a warning will be issued to the debug log. [PHPCAS-61] (Joachim Fritschi)
    * fix 2 undefinded variable notices in serviceWeb() [PHPCAS-68] (Joachim Fritschi)

Changes in version 1.1.1
Improvement
    * On Single Sign Out destroy any existing application session before deleting the phpcas session [PHPCAS-58] (Joachim Fritschi)
    
Changes in version 1.1.1RC2
Bug fixes
    * Fix bug in handling urls containing parameters without values [PHPCAS-57] (Joe Lencioni)
    * New XSS patch for PHPCAS-52 that was undone in r48507 [PHPCAS-57] (Joachim Fritschi)

Changes in version 1.1.1RC1
Bug fixes
    * Fix bug in restoring an existing session [PHPCAS-55] (Joachim Fritschi)
    
Changes in version 1.1.0
Improvement
    * Replace deprecated split() with explode(). [PHPCAS-42] (Joe Lencioni)

Changes in version 1.1.0RC8
Bug fixes
    * Add additional comments regarding the use of serviceValidate and proxyValdiate [PHPCAS-44] (Joachim Fritschi)
    * Revert all changes made to the ticket parsing in r47347 r48210 [PHPCAS-44] (Joachim Fritschi)
    * Fix warning when destroying uninitialized session [PHPCAS-53] (Yann Richard,Joachim Fritschi)

Changes in version 1.1.0RC7
Security fixes
    * Fix XSS Vulnerability. Sanatize parameters before using the url submitted by a client [PHPCAS-52] (Joachim Fritschi)
    
Changes in version 1.1.0RC6
Bug fixes
    * restore any possible old session before renaming the session [PHPCAS-50] (Joachim Fritschi)

Changes in version 1.1.0RC5
Bug fixes
    * fixed don't destroy existing sessions unless needed, more debug output [PHPCAS-50] (Joachim Fritschi)

Changes in version 1.1.0RC4
Bug fixes

    * fixed use PHP4 functions to parse saml11 attributes [PHPCAS-51] (Joachim Fritschi)

Changes in version 1.1.0RC3
Bug fixes

    * added a check for missing params [PHPCAS-42] (Joachim Fritschi)

Changes in version 1.1.0RC2
New features

    * added custom validation Urls [PHPCAS-45] (Joachim Fritschi).

Bug fixes

    * fixed PGT DB storage parameter list [PHPCAS-47] (Paul Merchant, Jr.)
    * fixed parsing of STs [PHPCAS-44] (Joachim Fritschi)
    * fixed session initialisation [PHPCAS-50] (Joachim Fritschi)
    * fixed urls with than one query parameter [PHPCAS-42] (Caio Chassot)

Changes in version 1.1.0RC1
New features

    * added SAML support [PHPCAS-40] (Brian Long and Matthias Crauwels).

Bug fixes

    * fixed invalid validation URLs [PHPCAS-39] (Alex Danieli).
    * removed old PHP4 references [PHPCAS-41] (Yann Richard).
    * fixed curl options [PHPCAS-38] (Andy Cowling).

Improvement

    * added accept IP addresses for allowed clients [PHPCAS-37] (Arunas Stockus) 

Changes in version 1.0.2RC1
Bug fixes

    * fix redirections masking error messages [PHPCAS-36] (Olivier Berger) 	 
    * fixed validatePGT() failing on phpCAS::traceBegin() with newer domxml-php4-to-php5.php [PHPCAS-35] (Olivier Berger) 	 
    * Fixed missing exit() at end of callback() method [PHPCAS-34] (Olivier Berger)
    * Update included domxml-php4-php5.php to most recent version now under LGPL [PHPCAS-30] (Olivier Berger) 	  
    * fixed empty $target_service in CAS_Client:serviceMail [PHPCAS-22] (Julien Marchal).

Changes in version 1.0.1
Bug fixes

    * fixed PEAR base install directory [PHPCAS-28] (Brett Bieber).
    * fixed illegal characters in session id [PHPCAS-29] (Michael Ströder, Brett Bieber).
    * fixed refresh with ticket causes authentication failure [related to PHPCAS-27] (Brett Bieber).
    * fixed conflict with custom session handlers [PHPCAS-26] (Martin Gonzalez).

Changes in version 1.0.0
New features

    * phpCAS is now PEAR-installable (Brett Bieber).
    * added method handleLogoutRequests() to handle logout requests incoming from the CAS server (Julien Marchal and Pascal Aubry, requested by Craig Andrews).
    * added methods setHttpProxy(), setNetworkInterface() and setExtraCurlOptions() (Stéphane Gully).

Enhancements

    * removed undesirable notice (Glennie Vignarajah).
    * removed PEAR DB dependency when storing PGTs to the filesytem (Stéphane Gully).

Changes in version 0.6.0
New features

    * added methods setCasServerCert() and setCasServerCaCert() to authenticate the CAS server, and method setNoCasServerValidation() to skip the SSL checks (Pascal Aubry, requested by Andrew Petro).
    * Added spanish and catalan translations (Ivan Garcia).

Bug fix

    * fixed PGT storage path on Windows (Olivier Thebault).

Changes in version 0.5.1
New features

    * restored method isAuthenticated() (Julien Marchal).

Changes in version 0.5.0
New features

    * added japanese translation (Noriyuki Fukuoka).
    * added german translation (Henrik Genssen).
    * phpCAS now works for CAS v3 proxy tickets (Matt Zukowski).
    * phpCAS now also works with lighttpd (Marvin Addison)

Bug fixes

    * fixed method setHTMLFooter() (Noriyuki Fukuoka).
    * fixed method setHTMLHeader() (Xavier Castanho).
    * fixed method isHttps() (Henrik Genssen).
    * fixed method PGTStorageDB() (Ray Lambe).
    * encode all the parameters, not only '&' characters (Matthew Debus).
    * fixed ST proxy tickets (Julien Marchal).

Changes in version 0.4.23
Enhancement

    * removed notice messages (David Lowry).

Changes in version 0.4.22
Bug fix

    * added default value for parameter gateway in methods setServerLoginUrl() and redirectToCas() (Velpi).

New Feature

    * added method isSessionAuthenticated() (Brendan Arnold).

Other change

    * removed the call to error_reporting() to allow the configuration of error reporting at server level (Pascal Aubry, requested by Sylvain Derosiaux).

Changes in version 0.4.21
Bug fix

    * some URLs were ill-formed in some rare circumstances (Jérôme Andrieux).

New Feature

    * added methods setServerLoginURL() and setServerLogoutURL() (Wyman Chan).

Changes in version 0.4.20
New feature

    * phpCAS::checkAuthentication() implements the gateway feature of CAS (Pascal Aubry, requested by Romuald Lorthioir).

Other change

    * phpCAS::authenticateIfNeeded() was renamed phpCAS::forceAuthentication() (Pascal Aubry).

Changes in version 0.4.19
New features

    * the service URL for the CAs server can be fixed with method phpCAS::setFixedServiceURL (Julien Marchal).
    * the callback URL used to receive PGTs can be fixed with method phpCAS::setFixedCallbackURL() (Julien Marchal).

    * added a CAS_Client wrapper to class phpCAS for method retrievePGT() (Julien Marchal).

Changes in version 0.4.18
Bug fixes

    * debugging information was missing (Alexandre Boisseau).
    * used an undefined variable in pgt-file.php (Alexandre Boisseau).

Changes in version 0.4.17
Enhancement

    * made phpCAS PHP5 compliant (Vangelis Haniotakis).

Changes in version 0.4.16
Enhancement

    * added the possibility not to start the session management (Vangelis Haniotakis).

Changes in version 0.4.15
Enhancement

    * added a hack to make phpCAS work with IIS (Vangelis Haniotakis).

Changes in version 0.4.14
Enhancement

    * a URL can be given to the CAS server on logout (Sébastien Gougeon and Yann Richard).

Changes in version 0.4.13
Bug fix

    * Removed infinite loop in debug mode (Robert Legros).

Changes in version 0.4.12
Enhancement

    * phpCAS now works even if the web server does not set SERVER_NAME, by relying on HTTP_HOST (Terence Chiu).

Changes in version 0.4.11
Bug fix

    * A typo prevented ticket validation to work correctly (Robert Legros).

Changes in version 0.4.10
Enhancement

    * phpCAS was previously working with PHP >= 4.3.0. A debug_backtrace() wrapper was added and get_elements_by_tagname() calls were modified to make phpCAS work with phpCAS >= 4.2.2 (Robert Legros).

Changes in version 0.4.9
New features

    * Added greek translation (Haniotakis Vangelis).

Changes in version 0.4.8
Enhancements

    * PEAR's DB.php inclusion is done only if a DB class was not already included. This eases the integration into some stand-alone tools that already include DB.php, like Tikiwiki (Pascal Aubry, requested by Terence Chiu).

Changes in version 0.4.7
Enhancements

    * PHP session is now destroyed when using the phpCAS::logout() method (Pascal Aubry, requested by Ruben Recaba).
    * Call getenv() whenever possible instead of directly dealing with environment variables (with $_ENV['xxx']), as $_ENV is not available par default on some Windows systems (Pascal Aubry).
    * Set error reporting level to E_ALL ~ E_NOTICE (Pascal Aubry).
    * Added the release number in the name of the main directory of the zip distribution file (Pascal Aubry, requested by Vincent Mathieu).
    * Explicitly set certificate control to get round with different curl default configurations (Wyman Chan).

Changes in version 0.4.6
Security bug fix

    * Credentials given to HTTP realms were given in the service URLs to the CAS server (Julien Marchal).

Enhancements

    * phpCAS now works behind an Apache reverse proxy (Julien Marchal).

Changes in version 0.4.5
Enhancements

    * Developer releasing is now made by ant (Pascal Aubry).

Bug fixes

    * CAS/PGTStorage files have been renamed to fit to Windows case insensitivity (Pascal Aubry);
    * %TMP% and %TEMP% environment variables are now taken into account to set the location of the log file (Pascal Aubry).

Changes in version 0.4.4
Enhancement

    * ticket retrieval and validation is now made with curl (Pascal Aubry).

Changes in version 0.4.3
Bug fix

    * phpCAS was not exiting right after redirecting in callback mode (Julien Marchal)

Changes in version 0.4.2
New features

    * Authentication checking is not necessarily redirecting to the CAS server (introduced phpCAS::isAuthenticated()) (Pascal Aubry)
    * phpCAS can now be used to access IMAP/POP3/NNTP services (cf phpCAS::serviceMail()) (Pascal Aubry)

Enhancements

    * debugging informations has been improved and is now send to a separate file (/tmp/phpCAS.log by default, can be changed by phpCAS::setDebug()) (Pascal Aubry)

Changes

    * phpCAS::authenticate() is replaced by phpCAS::authenticateIfNeeded() (semantics unchanged) (Pascal Aubry)
    * phpCAS::service() is replaced by phpCAS::serviceWeb() (semantics unchanged) (Pascal Aubry)
    * phpCAS::setDebug() accepts FALSE (to stop debugging) or the name of a file (to log informations) (Pascal Aubry)

Changes in version 0.4.1
New features

    * Sessionning between CAS proxies and services (Pascal Aubry)

Changes in version 0.4
New features

    * CAS proxies can be chained (Pascal Aubry)
    * improved error printing and debugging (introduced phpCAS::error()) (Pascal Aubry)

Enhancements

    * proxy parameter removed from phpCAS::client() and introduced phpCAS::proxy() (Pascal Aubry)
    * moved history from CAS/doc.php to history.php (create_version script updated accordingly) (Pascal Aubry)
    * improved type-checking and controls for phpCAS methods (Pascal Aubry)

Changes in version 0.3.2
New features

    * CAS proxies now work with HTTP (HTTPS only used for callbacks) (Pascal Aubry)

Changes in version 0.3.1
Bug fixes

    * syntax error in CAS/Client.php (Julien Marchal)

Changes in version 0.3
New features

    * CAS proxies are now supported (but no PGT retrieving for proxied client) (Pascal Aubry)
    * introduced phpCAS container (Pascal Aubry)

Bug fixes

    * CAS_LANG_DEFAULT is now taken into account (Pascal Aubry)

TODO

    * support for PGT storage to databases (Pascal Aubry)
    * PGT retrieving for proxied clients (Pascal Aubry)

Version 0.2
Features (Pascal Aubry)

    * `Basic' (1.0) CAS mechanism supported (CAS proxies not implemented)
    * Support for CAS versions 1.0 and 2.0 URL's
    * Debug mode
    * Customization of all output pages
    * Internationalization (english and french, looking for translators...)