message: set the default for eNum to -1 for the python wrapper
diff: @@ -130,11 +130,11 @@ cdef class SolidStiff(Constitutive):
  return
  cdef class isoSolidStiff(SolidStiff):
  - def __cinit__(self, rho, E, nu, eNum, *args, **kwargs):
  + def __cinit__(self, rho, E, nu, eNum=-1, *args, **kwargs):
  '''
  Wraps the SolidStiffness class that is used with 3D elements
  '''
  - self.ptr = new SolidStiffness(rho, E, nu, eNum=0)
  + self.ptr = new SolidStiffness(rho, E, nu, eNum)
  self.ptr.incref()
  return
  