SBML import fixed 866/1529 test now passing, others throw proper error messages.
SBML import fixed 866/1529 test now passing, others throw proper error messages.

FFroehlich/AMICI,AMICI-developer/AMICI,AMICI-developer/AMICI,FFroehlich/AMICI,AMICI-developer/AMICI,FFroehlich/AMICI,FFroehlich/AMICI,AMICI-developer/AMICI