Added support for multiple sentinel cache hosts
Glitchtip previously supported only one sentinel for redis cache (in form host:port).
In this MR I added support for multiple sentinels ("host1:port1,host2:port,host3:port", etc).
Glitchtip previously supported only one sentinel for redis cache (in form host:port).
In this MR I added support for multiple sentinels ("host1:port1,host2:port,host3:port", etc).