1.7 December 2018 build with Rubi in sympy

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Number of tests completed 28,425. Completed December 16, 2018.

CAS systems used are : Rubi 4.15.2, Mathematica 11.3, Maple 2018, Maxima 5.41, Fricas 1.3.3, Sympy 1.1.1, Giac/XCAS 1.4.9, SageMath version 8.3 and Rubi in Sympy implemetation (port of Rubi to Sympy)

Sympy 1.3 was used in this test for both Sympy itself and for Rubi in Sympy.