add sinature generation method generate_jsapi_signature
add sinature generation method generate_jsapi_signature

PegasusWang/wechat-python-sdk,margguo/wechat-python-sdk,ego008/wechat-python-sdk,oxmcvusd/wechat-python-sdk,tdautc19841202/wechat-python-sdk,adrianzhang/wechat-python-sdk,huwei/wechat-python-sdk,zhu4ling3/wechat-python-sdk,ferstar/wechat-python-sdk,kk71/wechat-python-sdk,kaizengliu/wechat-python-sdk,bowenpay/wechat-python-sdk,irwinlove/wechat-python-sdk,JohnnyZhao/wechat-python-sdk,cheaboar/wechat-python-sdk,btmanm/wechat-python-sdk,wuqunfei/wechat-python-sdk,Adai0808/wechat-python-sdk,wechat-python-sdk/wechat-python-sdk,xingezhang/wechat-python-sdk,caengcjd/wechat-python-sdk,Beeblio/wechat-python-sdk,zguangyu/wechat-python-sdk,doraemonext/wechat-python-sdk,a3linux/wechat-python-sdk