Version bump for minor fixes

Author: lmcinnes

setup.py

@@ -51,7 +51,7 @@ def requirements():
 
 configuration = {
  'name': 'hdbscan',
- 'version': '0.8.21',
+ 'version': '0.8.22',
  'description': 'Clustering based on density with variable density clusters',
  'long_description': readme(),
  'classifiers': [