Bump version and add CHANGES entry

Author: cognifloyd

CHANGES.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## 2.0.1
+
+* Temporarily re-add Python 2 support until StackStorm v3.3 is EOL.
 
 ## 2.0.0
 

pack.yaml

@@ -2,8 +2,11 @@
 ref: st2
 name: st2
 description: StackStorm utility actions and aliases
-version: 2.0.0
+version: 2.0.1
 python_versions:
+  # StackStorm v3.3 on Xenial still uses python 2.7
+  # and does not backtrack to find older supported versions,
+  # so leave this here (without tests) until v3.3 is EOL.
   - "2"
   - "3"
 author: StackStorm, Inc.