updating CHANGELOG for release 2.0.3

updating CHANGELOG for new fix and prepping for release

making switch conform to naming standard

making feature flag naming consistent

releasing 2.0.0. Disabling old style assertions by default

getting ready for 1.2.0 release

adding some pipeline assertion functions

Make the default mock implementation a default script block

fixing typos in nuspec xml

bumping version to 1.0.6