Trac #14519: Cynthonized ElementWrapper and made parent the first argument.
Trac #14987: dilation of empty polyhedrons
Trac #15034: Raise NotImplementedError, rather than NotImplemented
Trac #11771: sage crashes on some degenerate flint xgcd's
Trac #14951: fixed tokenize() infinite loop, added full_tree() function to boolformula.py, cleaned up code and comments
Trac #14746: undo the effect of trac_14489_doctests_32_64_bit.patch
Trac #14746: reorganise S-class groups, S-units and Selmer groups
Trac #14746: add doctest, utf-8 declaration, r""" for backslashes, trivial edit in code
Trac #14833: implementation-independent choice of irreducible polynomials
Trac #14907: Implemented similarity class types
Trac #12900: Demazure roots of a toric variety
Trac #12900: small review patch
Trac #14784: Maps fros trees to graphs and posets
Added maps from ordered trees and binary trees to undirected graphs and posets.
Trac #11407: Add normalization to clonable lists
        Fix the bad usage of assert in favor of raise ValueError, ...
	Fix old doctest multiline continuation
Trac #14547: A constructor for the McLaughlin graph
Trac #14547: review patch for mclaughlin graph
Trac #14911: the Robertson graph
Trac #3865: bug in conversion of gp interpreter elements to padics
Trac #12524: better latex of elliptic curves
Trac #14445: Implements greedy elements for rank two