Parameters and example updates - 1.2.0

This release includes the addition of the ZitaParameters struct, which also implements the IZitaFilter interface. This can be used to easily pass parameters to/from existing objects that implement them. The example program has also been updated to showcase how to use it and now also references the SharpPipe project directly.

• Add ZitaParameters struct for easily passing parameters around
• Update example to use direct project reference instead of nuget package