Update changelog for 0.8.1 release

CHANGELOG.md

@@ -10,11 +10,22 @@ The format is based on
 Tracking in this Changelog began for this project with the tagging of version 0.1.0.
 If you're looking for changes from before this, refer to the project's
 git logs & PR history.
-# [Unreleased](https://github.com/puppetlabs/vmpooler/compare/0.7.0...master)
+# [Unreleased](https://github.com/puppetlabs/vmpooler/compare/0.8.1...master)
+
+# [0.8.1](https://github.com/puppetlabs/vmpooler/compare/0.7.2...0.8.1)
+
+### Added
+- Make VM names human readable
+
+# [0.7.2](https://github.com/puppetlabs/vmpooler/compare/0.7.1...0.7.2)
+
+### Fixed
+- Synchronize checkout operations across API threads (POOLER-150)
+
+# [0.7.1](https://github.com/puppetlabs/vmpooler/compare/0.7.0...0.7.1)
 
 ### Fixed
 - Correctly detect create\_linked\_clone on a pool level (POOLER-147)
-- Ensure that checkout operations are synchronized
 
 # [0.7.0](https://github.com/puppetlabs/vmpooler/compare/0.6.3...0.7.0)