* Added support for CHAP and MSCHAP authentication schemes
contributed by Stanislav Tsymbalov http://www.tsymbalov.net/
original code at http://sourceforge.net/projects/moodleradius/
* Tweak the detection of PHP RADIUS extension and Pear code
* Update the warning notices to use more Moodly CSS classes
* Add PEAR Auth_RADIUS and Crypt_CHAP packages to lib/pear