Feature and minor bugfix release
Minor bugfixes to all stages.
Computation of 5 new connectivity measures (Kendall's Tau,
Spearman's Rho, Gaussian copula, t copula, & Frank copula).
Computation and testing of 4 new graph properties (Closeness
Centrality, Local Assortativity, Zhang & Horvath's Clustering
Coefficient, & a version of the Clustering Coefficient that
incorporates the sign of the weights to determine how much unique
influence a node has).