Cannot use Inf

[jiahao]

julia> @Integrate(exp(x), {x,-Inf,0})
WARNING: Error occured in meval: you may need to restart Julia/MathLink
ERROR: `put!` has no method matching put!(::Ptr{Void}, ::Expr)
 in put! at /Users/jiahao/.julia/v0.4/Mathematica/src/MathLink.jl:292 (repeats 3 times)
 in meval at /Users/jiahao/.julia/v0.4/Mathematica/src/MathLink.jl:107
 in meval at /Users/jiahao/.julia/v0.4/Mathematica/src/MathLink.jl:103