trunk: fixed bug in operator precedence in macro-processor (+ and - had...

trunk: fixed bug in operator precedence in macro-processor (+ and - had highest precedence than * and /, colon (:) precedence was too high)


git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@2298 ac1d8469-bf42-47a9-8791-bf33cf982152