agum-2.2: ChangeLog

2009-09-17  John D. Ramsdell  <ramsdell@mitre.org>

	* agum.cabal (Version): Released as version 2.2.

2009-09-14  John D. Ramsdell  <ramsdell@.mitre.org>

	* src/Algebra/AbelianGroup/IntLinEq.hs: Integer solutions to
	linear equation solver was placed in its own module.

2009-09-13  John D. Ramsdell  <ramsdell@mitre.org>

	* src/Algebra/AbelianGroup/UnificationMatching.hs (unify): Changed
	the result to be a substitution since unification always succeeds.

2009-09-05  John D. Ramsdell  <ramsdell@mitre.org>

	* src/Algebra/AbelianGroup/UnificationMatching.hs:  Added
	reference to Andrew Kennedy's Ph.D. thesis as it contains a proof
	of correctness of the implemented matching algorithm.

	* agum.cabal (Version): Released as version 2.1.

2009-08-29  John D. Ramsdell  <ramsdell@mitre.org>

	* src/Algebra/AbelianGroup/UnificationMatching.hs (Substitution,
	apply): Hid the representation of a substitution and supplied a
	function for applying a substitution to a term.

	* agum.cabal (Version): Released as version 2.0.