Updated version for development after the 1.3.1 release.
Updated version for development after the 1.3.1 release.

yangchunyong/phpCAS,rakesh-mohanta/phpCAS,neopeak/phpCAS,Jasig/phpCAS,mickelfeng/phpCAS,fh/phpCAS,snelg/phpCAS,chand3040/phpCAS