Fix typo in ShouldBeOfOfType obsoletion message
Added a couple of simple ReSharper Structural Search and Replace patterns to assist in migrating from the obsolete ShouldBeOfType<T> assertion.
Fixed ShouldBeLike throws a NullReferenceException when "actual" contains nested objects with a null value, closes #3

Upgraded Fody
Merge branch 'hotfix-0.7.2' into develop