2019-12-23 Frank Dedden <dev@dedden.net>
        * Version bump (3.1.1).
        * Fixed bug with constant structs and arrays.(#13).

2019-11-22 Ivan Perez <ivan.perez@nianet.org>
        * Version bump (3.1).
        * Remove ExternFun (#6).
        * Fix bug in code generation for local expression (#15).
        * Implement code generation for labels (trivially) (#14).