sympy / sympy-old

git-svn clone of old SymPy SVN source from https://code.google.com/p/sympy/source/browse/.

This is a git-svn clone of the old SVN history of SymPy from
https://code.google.com/p/sympy/source/browse/.  It is here purely for
historical interest.  For the most recent version of SymPy see
https://github.com/sympy/sympy.