fix #24 remove trigger twice event of hash change..
fix #24 remove trigger twice event of hash change..

Signed-off-by: Bo-Yi Wu <f80eec1bf98b3feebacc247f35f2b506218004cb@gmail.com>

bishop335/website-2015,shengyou/website-2015,PHPConf-TW/website-2015,PHPConf-TW/website-2015,bishop335/website-2015,shengyou/website-2015