StackExchange.Redis.Extensions.Core 11.0.0

- Multiple redis instances - Connection pooling (LeastLoaded or RoundRobin) - Added support to .NET Standard - Bugfixing - improving performances; - Add an object to Redis; - Change ISerializer interface (more info here https://github.com/imperugo/StackExchange.Redis.Extensions/issues/2) - Update StackExchange.Redis to latest version; - Changed Flush method; - Remove an object from Redis; - Search Keys into Redis; - Retrieve multiple object with a single roundtrip; - Store multiple object with a single roundtrip; - Get Redis Server information; - Set Add; - Set AddAdd; - SetRemove; - SetRemoveAll; - Set Member; - Pub/Sub events; - Save; - Async methods; - Hash methods; - Tags support; - Support for Keyspace isolation;