statsample version 0.4.0 has been released!

A suite for your basic and advanced statistics needs. Descriptive statistics, multiple regression, dominance analysis, scale's reliability analysis, bivariate statistics and others procedures.

Changes:

### 0.4.0 / 2009-09-10
* New Distribution module, based on statistics2.rb by Shin-ichiro HARA. Replaces all instances of GSL distributions pdf and cdf calculations for native calculation.
* New Maximum Likehood Estimation for Logit, Probit and Normal Distribution using Von Tessin(2005) algorithm. See MLE class and subclasses for more information.
* New Binomial regression subclasses (Logit and Probit), usign MLE class
* Added tests for gsl, Distribution, MLE and Logit
* Bug fix on svggraph.rb. Added check_type for scale graphics
* Bug fix on gdchart. Replaced old Nominal, Ordinal and Scale for Vector