Use uniform release headers in CHANGES.md

CHANGES.md

@@ -1,23 +1,27 @@
 # CHANGES to the 'XModAlg' package
 
-## 1.32 -> 1.32dev (16/03/26)
+## Unreleased
+
  * (10/09/26) extracted examples from the manual using AutoDoc
  * (18/12/25) added new material on direct sums
  * (27/08/25) added installation instructions to the manual introduction
               replaced \mathcal by \mathbb which suits MathJax better
 
-## 1.27 -> 1.32 (11/04/25) 
+## 1.32 (2025-04-11)
+
  * (31/01/25) added Nizar Shammu's thesis to the list of references;
               removed all operations involving direct sums of crossed modules
               of algebras because the theoretical basis needs checking;
-
-## 1.26 -> 1.27 (26/10/24) 
+
+## 1.27 (2024-10-26)
+
  * (21/10/24) removed references to "Type2" and "XModAlgebraConst"
               tests now use local variables and are mirrored in /examples
               xmod.tst now agrees with sections 4.1.7-4.1.10 in the manual
               changed names of variables in tests to avoid duplications
 
-## 1.25 -> 1.26 (09/07/24) 
+## 1.26 (2024-07-09)
+
  * (08/07/24) renamed the actions and algebras in the tests/examples as 
               act1, act2, ,,, act6  and added direct sum operations
               AlgebraActionOnDirectSum and DirectSumAlgebraActions
@@ -26,14 +30,17 @@
  * (26/06/24) added AlgebraActionByHomomorphism,
               changed the example of XModAlgebraByBoundaryAndAction
 
-## 1.23 -> 1.25 (17/05/24) 
+## 1.25 (2024-05-17)
+
  * (17/05/24) just 5 PRs since 1.23 came out - mostly CI changes
 
-## 1.22 -> 1.23 (03/12/22) 
+## 1.23 (2022-12-03)
+
  * (03/12/22) changed AlgebraHomomorphismByFunction to agree with FR version 
               and prior to the function being moved to the main GAP library 
 
-## 1.18 -> 1.22 (29/04/22) 
+## 1.22 (2022-04-29)
+
  * (27/04/22) required version 2.87 of XMod which uses Size2d in place of
               Size, and so replaced Size by Size2d for 2d-algebras 
  * (15/07/21) revised PreXModAlgebraOfPreCat1Algebra 
@@ -49,37 +56,40 @@
  * (12/05/21) added algebra attribute AugmentationXMod 
  * (11/05/21) added lib/vspchom.gi as a temporary fix 
 
-## 1.17 -> 1.18 (16/11/20) 
+## 1.18 (2020-11-16)
+
  * (07/08/20) fixed problem with Cat1AlgebraOfXModAlgebra 
               introduced ImagesSource2DimensionalMapping
  * (09/10/18) Conversion files: use "Of", not "By".  Delete SDproduct. 
  * (23/09/18) PreCat1Obj replaced by PreCat1AlgebraByTailHeadEmbedding 
  * (22/09/18) split off convert.xml and convert.tst from cat1.xml and cat1.tst 
 
-## 1.16 -> 1.17 (30/08/18)
+## 1.17 (2018-08-30)
+
  * (29/08/18) added method for ImagesSource at end of alg2map.gi 
  * (28/08/18) update examples to avoid travis failures 
 
-## 1.15 -> 1.16
+## 1.16 (2018-01-29)
+
  * (29/01/18) changed package releases to https://gap-packages.github.io/xmodalg
 
-## 1.14 -> 1.15
+## 1.15 (2018-01-09)
+
  * (09/01/18) correction the release archive
 
-## 1.13 -> 1.14 
+## 1.14 (2017-12-02)
+
  * (02/12/17) adjust test files to work correctly after LoadAllPackages(); 
  * (30/11/17) now requires XMod 2.64 
  * (01/11/17) now requires Laguna 3.7.0 
  * (05/10/17) moved testall.g to testing.g and added new testall.g 
  * (05/10/17) converted manual.bib to bib.xml 
  * (05/10/17) converted README and CHANGES to MarkDown files 
 
-## 1.12 -> 1.13 
- * (30/09/17) created Github repository for 'XModAlg' 
-
-## initial release 
- * Version 1.12 was prepared for the 4.* release at November 2015.
-
+## 1.13 (2017-10-05)
 
+ * (30/09/17) created Github repository for 'XModAlg' 
 
+## 1.12 (2015-11-14)
 
+ * Version 1.12 was prepared for the 4.* release at November 2015.