make this interruptable:

    Macaulay 2, version 0.9.96
    with packages: Classic, Core, Elimination, IntegralClosure, LLLBases, Parsing, PrimaryDecomposition, SchurRings, TangentCone
    --loading /home/dan/.Macaulay2/init.m2

    i1 : getWWW "http://www.math.uiuc.edu/Macaulay2/"

^C
^C

    Exit (y/n)? y
    exiting

    Process M2 exited abnormally with code 1
