1.7.1 
-several smartcard fixes 修复几个智能卡(读卡？)错误 
-conax ca pin support (use 'PIN:' in CCcam.cfg)支持conax ca pin 
-added SMARTCARD WRITE DELAY setting, to tweak performance on mastera/sc8in1 and such 增加卡写延迟设置，以调节在 mastera/sc8in1 设备的性能 
-moved providernames to an external file /var/etc/CCcam.providers. Format is 'hexvalue "providername" comments' 移动提供商名字到外部文件/var/etc/CCcam.providers 
格式为‘十六进制值 “提供商名字” 注释’