Add Statistical Tests form random.hpp

[AddressXception]

As a user I would like to validate the functionality of the random number generator using a statistical test method such as diehard so that I can be confident the library is adequately generating random input for secret values.

different platforms handle random number generation differently and as a safety feature we should add statistical tests that can verify the functionality of our internal random number process on a variety of hardware, operating systems, and compilers.

[lmarie79]

@AddressXception - do we need to be more specific about where is needs to be added or will it be obvious to someone who picks up this ticket and looks at the code?