Incrementing minor version

 - Indicates that this is the first release.
File movement - EmptySpecimenCommand

 - Its namspace and source file is moved.
Addressing CA1020(AvoidNamespacesWithFewTypes)

 - The Ploeh.AutoFixture namespace is derived from autofixture.
Incrementing patch version

 - Indicates that the previous namespace changes are actually not the
    backward compatible change but as it is trivial, it is proper way to
    treat a bug fix.