I just checked in some code to simplify querying. I will just let the code speak for itself.
var q = new Query()["Name"].In("Daniel", "Sue").And("Age").Gt(21).And().Lt(29); var persons = entityStore.Find(q.ToString());
So far it only supports:
I will continue the work with the inner design of this Querying-code, but the API will be the same. I will of course add more operators to.