Rational bigint issubset fails

[maartenvd]

julia> a=polyhedron(HyperPlane(Rational{BigInt}[-1, 0, 0], 1//1) ∩ HalfSpace(Rational{BigInt}[0, 0, -1], 14672114485715137431441321//151115727451828646838272) ∩ HalfSpace(Rational{BigInt}[0, -1, 0], 10473763386577//549755813888) ∩ HalfSpace(Rational{BigInt}[0, 0, 1], 203854673273754593942319787//604462909807314587353088) ∩ HalfSpace(Rational{BigInt}[0, 1, 0], 0//1) ∩ HalfSpace(Rational{BigInt}[20352345337492724220522025//302231454903657293676544, 1090665916241//549755813888, 1], 161978887517520897401467073//604462909807314587353088),CDDLib.Library(:exact))
julia> b = HalfSpace(Rational{BigInt}[20352345337492724220522025//302231454903657293676544, 1090665916241//549755813888, 1], 161978887517520897401467073//604462909807314587353088)
julia> issubset(a,b)
ERROR: InexactError: Int64(161978887517520897401467073)

issubset calls the moiwrapper, which appears to assume an objective value of type Int