Latest beta branch "nginx: [emerg] unknown "skip_cache" variable" with redis cache.

Hi,
I just installed Latest Beta Branch on my CentOS 7 server.

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I have copied php.conf and edited as par your instruction for php-rediscache.conf

Contents of php-rediscache.conf is php-rediscache.conf - Pastebin.com

But when I'm disabling include /usr/local/nginx/conf/php.conf; & enabling include /usr/local/nginx/conf/php-rediscache.conf; I am getting the following error.

[root@my~]# nginx -t
nginx: [emerg] unknown "skip_cache" variable
nginx: configuration file /usr/local/nginx/conf/nginx.conf test failed

It works perfectly on my other .08stable build but not working with latest beta branch (downloaded about 2 hours ago).

Any help how to fix or make that working?