Add 'function' as variant type to pass instances of AbstractFunction around in variants (e.g., from or to scripting)
JS scripting backend: Add functionality to wrap javascript functions in variants to pass them back to C++ code
Add clone()-method to functions, use it to make sure that functions which are encapsulated in variants are properly destroyed
Merge branch 'origin/master'
Merge pull request #63 from hpicgs/pass_functions

Pass functions