Added tests for IQuery.UniqueResult and UniqueResult{T}
Added tests for IQuery.ListAsync
Most Iquery.Listasync tests pass
All tests pass
tests for cancellation of IQuery.UniqueResultAsync
tests for canellation of IQuery.UniqueResultAsync{T}
tests and implementation for cancellation of IQuery.ListAsync
Added IQuery.ListAsync{T} method on interface and added empty implementation for inheriting classes
Added tests for IQuery.ListAsync{T}
Added tests and implementation for IQuery.ListAsync{T}
Added tests for stateless ListAsync