Continuation Core and Toolboxes (COCO) Code

corrected calls to error

- added documentation
- changed parameter argument from index to name

corrected calculation of dimension and updated call to coco_add_func

functions for mapping indices to parameter names and vice versa

function for computing list of default parameter names

startup file for adding coco toolboxes to path

added *.ps to ignore list

added missing file

removed comments that broke syntax highlighting