Alternate definition of mean, variance for Categorical distribution.
Algorithm AS 176
Fix scaling bug
Switch kde to use rfft, fix interlacing and integration
fix convolution
expectation
entropy and KL
support for discrete distributions
fixed little things
refactoring
distributions must be univariate
New kurtosis methods
Merge pull request #41 from jiahao/kurtosis

New kurtosis methods
Remove Dense from factorization names
Merge pull request #44 from JuliaStats/anj/dense

Remove Dense from factorization names
Merge pull request #35 from gusl/master

new functions: expectation, entropy, KL divergence
move functions inside module
Merge pull request #46 from aviks/patch-1

move functions inside module
fix tests: Multinomial is immutable
Add travis configuration