Bump v0.2.0 (#15)

* Bump version to 0.2.0 and add changelog

* Tweak CHANGELOG syntax

* Fix backtick placement in changelog

Author: nathanjmcdougall

CHANGELOG.md

@@ -8,7 +8,7 @@
 
 ### Packaging
 
-- Added `License :: OSI Approved :: MIT` License trove classifier to pyproject.toml.
+- Added `License :: OSI Approved :: MIT License` trove classifier to pyproject.toml.
 
 ### Documentation