ODE solver functional with funcallables
Changed the defmobject definitions to handle a 'callback-included-cl object. Changed the ODE solver definitions to take separate arguments for the function and Jacobian, as well as scalarsp. Not completely finished, but tests (integrate-vanderpol 1.0d0 1.d-4 +step-rk2+ nil) (integrate-vanderpol 1.0d0 1.d-4 +step-rkf45+ nil) work correctly.
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