Fixed support for stoichiometryMath using libSBML 3.0.1 (they changed something betwen libSBML 2.3 and 3.0).
Fixed support for stoichiometryMath using libSBML 3.0.1 (they changed something betwen libSBML 2.3 and 3.0).

GutenkunstLab/SloppyCell,GutenkunstLab/SloppyCell