4.0 preprocessor: merged r2580 changeset from trunk (use different tokens for...

4.0 preprocessor: merged r2580 changeset from trunk (use different tokens for inv_gamma_pdf and inv_gamma1_pdf (for more explicit error messages and for consistency with ln and log))


git-svn-id: https://www.dynare.org/svn/dynare/branches/4.0@2581 ac1d8469-bf42-47a9-8791-bf33cf982152