Update changelog for rand_distr 0.3.0

Author: dhardy

rand_distr/CHANGELOG.md

@@ -4,16 +4,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [0.3.0] - 2020-08-25
 - Move alias method for `WeightedIndex` from `rand` (#945)
+- Rename `WeightedIndex` to `WeightedAliasIndex` (#1008)
 - Replace custom `Float` trait with `num-traits::Float` (#987)
 - Enable `no_std` support via `num-traits` math functions (#987)
 - Remove `Distribution<u64>` impl for `Poisson` (#987)
 - Tweak `Dirichlet` and `alias_method` to use boxed slice instead of `Vec` (#987)
+- Use whitelist for package contents, reducing size by 5kb (#983)
+- Add case `lambda = 0` in the parametrixation of `Exp` (#972)
 - Implement inverse Gaussian distribution (#954)
+- Reformatting and use of `rustfmt::skip` (#926)
 - All error types now implement `std::error::Error` (#919)
 - Re-exported `rand::distributions::BernoulliError` (#919)
-- Add case `lambda = 0` in the parametrixation of `Exp` (#972)
+- Add value stability tests for distributions (#891)
 
 ## [0.2.2] - 2019-09-10
 - Fix version requirement on rand lib (#847)