Updating version and changelog for 2.2.1 release.

Author: brittonsmith

doc/source/changelog.rst

@@ -13,6 +13,30 @@ The `CREDITS file
 contains the most up-to-date list of everyone who has contributed to the
 ytree source code.
 
+Version 2.2.1
+-------------
+
+Release data: *October 24, 2018*
+
+Enhancements
+^^^^^^^^^^^^
+
+ * Refactor of CatalogDataFile class
+   (`PR #21 <https://github.com/brittonsmith/ytree/pull/21>`__)
+ * Simplify requirements file for docs build on readthedocs.io
+   (`PR #22 <https://github.com/brittonsmith/ytree/pull/22>`__)
+
+Bugfixes
+^^^^^^^^
+
+ * Restore access to analysis fields for tree roots
+   (`PR #23 <https://github.com/brittonsmith/ytree/pull/23>`__)
+ * fix field access on non-root nodes when tree is not setup
+   (`PR #20 <https://github.com/brittonsmith/ytree/pull/20>`__)
+ * fix issue of uid and desc_uid fields being clobbered during
+   initial field access
+   (`PR #19 <https://github.com/brittonsmith/ytree/pull/19>`__)
+
 Version 2.2
 -----------
 

doc/source/conf.py

@@ -62,9 +62,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'2.3.dev1'
+version = u'2.2.1'
 # The full version, including alpha/beta/rc tags.
-release = u'2.3.dev1'
+release = u'2.2.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

ytree/__init__.py

@@ -19,4 +19,4 @@
     TreeNodeSelector, \
     add_tree_node_selector
 
-__version__ = '2.3.dev1'
+__version__ = '2.2.1'