Complete bipartite graph test class added
Directed and Undirected CompleteBipartiteGraph red and blue node counts
a test of CompleteBipartiteGraph Red and Blue Get methods Directed and Undirected
Test of Is Red and true and false. Get ark Invalid
Added CompleteBipartiteGraphTests
Merge pull request #13 from timothy/working

Working
Edit bipartite tests to expect correct exception
New bug found in CompleteBipartiteGraph