Merge pull request #568 from idaholab/changelog_org

Added hierarchy to MontePy changelog.

doc/source/changelog.rst

@@ -1,5 +1,9 @@
+*****************
 MontePy Changelog
-=================
+*****************
+
+0.5 releases
+============
 
 #Next Version#
 --------------
@@ -19,6 +23,9 @@ MontePy Changelog
 * Fixed bug with having a shortcut in a cell fill (:issue:`552`).
 * Fixed bug where file streams couldn't actually be read (:pull:`553`).
 
+0.4 releases
+============
+
 0.4.1
 --------------
 
@@ -57,6 +64,9 @@ MontePy Changelog
 * Fixed bug where parentheses in cell geometry are not properly exported (:pull:`491`).
 
 
+0.3 releases
+=============
+
 0.3.3
 --------------
 
@@ -100,6 +110,9 @@ MontePy Changelog
 * Fixed bug with ``SDEF`` input, and made parser more robust (:issue:`396`).
 
 
+0.2 releases
+============
+
 0.2.10
 ----------------------
 
@@ -214,6 +227,9 @@ MontePy Changelog
 * `montepy.data_cards.data_card.DataCard.class_prefix` was moved to `_class_prefix` as the user usually shouldn't see this. Same goes for `has_classifier` and `has_number`.
 * Most of the data types inside `montepy.input_parser.mcnp_input` were deprecated or changed
 
+0.1 releases
+============
+
 0.1.7
 -----------------