Added new MicroAggregationKind.SignedMaximum and MicroAggregationKind.SignedMinimum which compare against absolute values while retaining the sign of the original value; e.g., -5 is greater than 4.
Refactored internal data processing logic to support more data types and throw InvalidOperationException for unsupported types.
Validated Microsoft .NET 6 compatibility.
Added Microsoft .NET 5 variations of the product assemblies to the NuGet feeds.