Change CHANGES formatting for better direct readability

CHANGES.txt

@@ -1,25 +1,32 @@
-Tablicious ChangeLog
+Tablicious Changelog
 ====================
 
-## Version 0.3.2 (2020-01-28)
+Version ??? (???)
+-----------------------------
+
+Version 0.3.2 (2020-01-28)
+-----------------------------
 
 * sprintf and fprintf support for datetime, categorical, and other classes
 * Added this ChangeLog
 * Octave 6.x compatibility fix
 
-## Version 0.3.1 (2020-01-27)
+Version 0.3.1 (2020-01-27)
+-----------------------------
 
 * Fix a dumb bug that broke string
 * Fix "shadowed function" warning in Octave 5.x
 
-## Version 0.3.0 (2020-01-18)
+Version 0.3.0 (2020-01-18)
+-----------------------------
 
 * Various bugfixes
 * Added some examples
 
 This is the release that I think is ready for general consumption by the user community.
 
-## Version 0.2.0 (2019-05-05)
+Version 0.2.0 (2019-05-05)
+-----------------------------
 
 * More basic table stuff
 * Now with datetime and duration, since I’ve merged the Chrono package into this project
@@ -28,7 +35,8 @@ This is the release that I think is ready for general consumption by the user co
 * The start of some example data sets
 * Bug fixes, of course
 
-## Version 0.1.0 (2019-04-30)
+Version 0.1.0 (2019-04-30)
+-----------------------------
 
 Initial release!