It provides easy access to the highest version of an algorithm
currently registered.
Refs #9521

The compliers were complainign about a conversion from size_t to int, so i changed it to top them complianing

Refs #3344

A new fake algorithm has been added to help test the category methods.

The Test suite has been completed with tests for all methods and error cases where applicable

Refs #3344

The test suite is coming along, only a few more tests to write

Refs #3344

Susbscribe now has a test.
A second testCreate was deleted.

Refs #3344

The AlgorithmFactoryTest.h file has a skeleton in there now ready for the tests

AlgorithmTest has had a bit of code refactored into it's own .h file. They are "fake" algorithms specifically for testing.

Refs #3344