restart multivariate normal from scratch
add types and stats functions for multivariate normal
Merge branch 'master' into dh/mvnormal
entropy of multivariate normal
Merge branch 'master' into dh/mvnormal
Merge branch 'master' into dh/mvnormal
add multiple constructors of MvNormal
pdf/logpdf evaluation for multivariate normal
renamed g ==> d for some arguments
Kolmogorov distribution and KS tests
added kolmogorov tests, fix out of bounds cdf
add sampling to multivariate normal
some fixes to the rand functions in fallbacks and dirichlet
Merge branch 'master' into dh/mvnormal
add testing of var for multivariate normal
Merge pull request #102 from simonbyrne/master

various tweaks, rand for noncentral distributions
Merge pull request #103 from simonbyrne/kolmogorov

Kolmogorov distribution and KS tests for rand vs cdf
add MLE for multivariate normal
fallback rand was catching distributions with rand undefined (e.g. Kolmogorov), returning method_exists as true, and triggering a stack overflow when called.
Merge with recent kolmogorov PR