v1.0.47

SymPy v1.0.47

Diff since v1.0.46

Closed issues:

• Errors when using Lambdify on sympy.Sum (#295)
• support of version 0.10 of SpecialFunctions.jl? (#333)
• overeager promotion (#376)
• Documentation for current version is corrupted (#394)
• Type stability of adjoint(::Sym) (#397)
• Implement inv(::MatrixSymbol) (#408)
• adjoint(a) != conj(a) for a::Sym (#425)
• eigvecs returns wrong result. zero testing issue? (#427)

Merged pull requests:

• add tilde, following Symbolics; fix issue from #425 (#426) (@jverzani)
• lambdify adjustment, close #295 (#428) (@jverzani)
• oops (#429) (@jverzani)