Removed de-duplication of assertion failures because it causes more confusion. #151
Changed the versioning scheme so that the build number is attached as a separate extension rather than changing the patch number.
Fixed a build error.
Added the possibility to include a property in the equivalency assertion based on a predicate. #154
Ensured that custom formatters are not overwritten by platform specific formatters. #155
Added a method to remove a custom formatter to the Formatters collection. #155