SAGE - 2.8.6
* Change Sage library to "GPL version >= 2."
* Robert Bradshaw -- upgrade Cython
* Martin Albrecht -- upgrade singular
* Jason Grout (refereed by Robert Miller) -- lots of updates to the graph theory package
* Mike Hansen -- updates to combinatorics; improved how multi-variate poly rings print.
* William Stein -- many bug fixes
* Martin Albrecht -- many small improvements to commutative algebra
* Joel Mohler -- optimizations
* Soroosh Yazdani -- improvements to smith normal form
* Gonzalo Tornaria and William Stein -- made pari c library interface automatically
increase memory as needed
* Craig Citro and William Stein -- improvements to scons so that branch switching works.
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741 sage -bdist: after doing this in sage-2.8.5, the dsage unit tests don't run for the resulting binary
763 serious bug latexing p-adic L-series
769 Matrix_mod2_dense._echelon_strassen gives false results sometimes
528 write new Integer_mod_dense class that wraps NTL directly
593 MPolynomialIdeal.reduced_basis() doesn't behave as expected
694 SAGE's multivariate gcd sucks over QQ and/or ZZ
701 port srange to Cython for speed
719 make pari.allocatemen() more clever
728 sage_inspect broken
735 issues with server timing out worksheets
745 update the version of FLINT that is in Sage
746 graphs: graph name is not reset using clear()
747 flint build problem on itanium
755 graphs: adjacency_matrix() does not call multiple_edges correctly.
759 graphs: density returns incorrect result for directed graphs.
764 repr(PolynomialRing(ZZ, 1, 'x')) is ambiguous
770 Bad behaviour when Ctrl-C hit while running an expect interface
776 kernel of linear homomorphism fails
784 quotient spaces of vector spaces
789 Can't create a submodule over a QQ[x]-module
798 MPolynomial_libsingular.subs
801 graphs: Latexify module-level documentation
806 matrix_integer_dense.elementary_divisors return a mutable object
809 class_graph fixes
810 gens_reduced for general ideals
816 Commutative Algebra assorted functionality
817 O(3^(-2)) is broken
818 Convert of prod to Cython
822 Some matrix multiplications inefficiencies
730 graphs: fickle equality testing
736 combinatorics updates
761 graphs: Lots of various doc changes and additional doc tests.
774 graphs: change "node" to "vertex"
782 sage -testall should support ctrl-C
786 standard smith normal form
794 MPolynomial_libsingular.jacob()
796 Yet another fix for c_lib/scons stuff
802 graphs: Streamline and document _cmp_ more
760 graphs: a small change to subgraphs allow it to default to the original graph.
795 tiny documentation update for MPolynomialIdeal.groebner_basis