sympy/sympy — pull request #739 by SgtMook (2011-11-23 05:04:11+00:00)
Title: Moved KroneckerDelta Class to functions/special/tensor_functions.py

Moved KroneckerDelta class from physics/quantum to functions/special/tensor_functions.py and updated the corresponding tests. As well, made KroneckerDelta class imported upon "from sympy import *".