upgrade version to 2.0.2
upgrade version to 2.0.2

MingJen/phpfreechat,bright-sparks/phpfreechat,bright-sparks/phpfreechat,jahanzaibbahadur/phpfreechat,kerphi/phpfreechat,MingJen/phpfreechat,jahanzaibbahadur/phpfreechat,MingJen/phpfreechat,jahanzaibbahadur/phpfreechat,kerphi/phpfreechat,bright-sparks/phpfreechat