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- Add the convenience function `mkinsub()` for creating the lists used in `mkinmod()`
-- Add the possibility to fit indeterminate order rate equation (IORE) models using an analytical solution (parent only) or a numeric solution. Paths from IORE compounds to metabolites are supported when using of formation fractions (use_of_ff = 'max'). Note that the numerical solution (method.ode = 'deSolve') of the IORE differential equations sometimes fails due to numerical problems.
+- Add the possibility to fit indeterminate order rate equation (IORE) models using an analytical solution (parent only) or a numeric solution. Paths from IORE compounds to metabolites are supported when using formation fractions (use_of_ff = 'max'). Note that the numerical solution (method.ode = 'deSolve') of the IORE differential equations sometimes fails due to numerical problems.
- Switch to using the Port algorithm (using a model/trust region approach) per default. While needing more iterations than the Levenberg-Marquardt algorithm previously used per default, it is less sensitive to starting parameters.
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## MINOR CHANGES
- The formatting of differential equations in the summary was further improved

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