rubystats version 0.2.3 has been released!

Ruby Stats is a port of the statistics libraries from PHPMath. Probability distributions include binomial, beta, and normal distributions with PDF, CDF and inverse CDF as well as Fisher's Exact Test.

Changes:

### 0.2.3 / 2008-07-06
* Fixing bug #21100 - problem with Beta distribution calculations when p and q values are small.
* Minor code cleanup for readability in a few places.

### 0.2.2 / 2008-05-09
* Added exponential distribution class
* Replaced constants in NumericalConstants module with uppercase versions to follow Ruby convention