Update changelog.

Author: LawnGnome

CHANGELOG.md

@@ -1,8 +1,10 @@
 # 0.2.0
 
 * Relicensed as Apache 2.0.
-* Migrate serialised on-disk format to `speedy`. This means that existing stores **must be recreated**.
+* CVS branches are now supported, and will be imported to Git by default.
+* Migrate serialised on-disk format to `speedy`. Stores created by v0.1.0 will be migrated the first time they're read by v0.2.0.
 * File errors are now fatal by default. The old warn-and-continue behaviour can be restored with the `--ignore-file-errors` flag.
+* Modified CVS tags are now recreated in a way that doesn't remove their previous history in Git.
 
 # 0.1.0