* Mon Dec 25 2017 jengelh@inai.de
- Update to new upstream release 2.6.4
* fixed tests to work with both 4r8 and dev in 3 options
* removed attribute AutoGroup (=Range(XModAction)) for xmods
* added operations SinglePiecePreXModWithObjects(NC)
* added Root2dGroup for prexmods with objects
* ImageElmXModAction now works for xmods of groupoids
* added operation ImageElmXModAction
* renamed test files and made them independent
* Fri Sep 08 2017 jengelh@inai.de
- Update to new upstream release 2.62
* Replaced PreXModIsomorphismByIsomorphisms by the more general
IsomorphismByIsomorphisms; then functions such as
IsomorphismPerm2DimensionalGroup rewritten to use it.
* Added IsomorphismByIsomorphisms for pre1-cat-groups
* New functions added for crossed square <-> cat2-group:
ConjugationActionForCrossedSquare;
ElementsRelationsForSemidirectProduct
* Added CoproductInfo for coproducts FactorXMod now
FactorPreXMod (ditto NaturalMorphisms)
* Added Is2dGroupMorphismData and modified construction
functions Method for IsNormal now applies to precrossed
modules added PeifferSub2dGroup
* Added operation DiagonalCat1 and example S3xS3 => S3
* Added operation CoproductXMod and files `coprod.g`,
`coprod.tst`
* Sat Apr 29 2017 jengelh@inai.de
- Update to new upstream release 2.59
* added property IsEndomorphismPreCat1
* modified IsomorphismPerm2dGroup for PreCat1 objects
* Mon Nov 21 2016 jengelh@inai.de
- Update to new upstream release 2.58
* added files hap.gd, hap.gi
* Wed Jun 08 2016 jengelh@inai.de
- Update to new upstream release 2.56
* remove functions from util.g(d/i) now in Utils; require Utils
* Sat Mar 12 2016 jengelh@inai.de
- Update to new upstream release 2.51
* renamed Rank and MiddleLength and now for p-groups only
* XPair -> XPairing, etc.
* IsomorphismPermPre(XMod/Cat1) -> IsomorphismPerm2dGroup, etc.
* IsStemGroup & IsStemXMod -> IsStemDomain etc.
* RestrictionMappingGroups -> GeneralRestgrictedMapping
* CentralQuotient now a crossed module or a crossed square
* added LeftRightMorphism and UpDownMorphism for crossed squares
* methods for InnerMorphism, ActorXMod, CentreXMod, etc.
now specified only for permutation crossed modules
* Tue Dec 08 2015 jengelh@inai.de
- Update to new upstream release 2.44
* added Centralizer and Normalizer methods for crossed modules
* added ExternalSetXMod
* added operation Displacement
* added AllStemGroupFamilies and Set various Names
* added NaturalHomomorphismByNormalSubXMod
* added CrossActionSubgroup
* Sun Feb 22 2015 jengelh@inai.de
- Update to new upstream release 2.31
* Metadata update (homepage URL) only
* Fri Feb 07 2014 jengelh@inai.de
- Update to new upstream release 2.26
* minor mod to WhiteheadTransMonoid to fix gp2up.tst output
* fixed errors in cat1data.g reported by Van Luyen Le.
* fixed error in Cat1MorphismByXModMorphism.
* completed work on groups of order [64..70] in cat1data.g
* added operation CollectPartsAlreadyDone.
* added operation PreCat1IsomorphismByIsomorphisms.
* fixed bug in PermCat1Select sent by Van Luyen Le
* put groups of order 64 back into cat1data.g
* rewrite of testall.g following Alex K's wedderga example
* Fri May 10 2013 jengelh@inai.de
- Split xmod (version 2.22) off the gap RPM package