Added Binary Stream Seek Unit Test
Created by: Daniel-McCarthy
-Created BinaryStreamTests class for general Binary Stream Unit Tests -Added Seek() Unit Test for Binary Stream.
In order to help with Issue #18 (closed) I have started a unit test for the Binary Stream class. I figure this was simple enough to be a good start to see if I am on the right track. I would be happy to add some more if this fits the project.