Refactoring:
* Turn the generation of advanced form elements into a single loop.
* Moved function groups to separate files
add feature to view full list of facet types on advanced search pages
cleanup
Tests updated
Fix for empty search codes, translations + refactoring
mockup added + test updated
add cache
Fix cache problems
Fix for elements with no search code
refactoring
Tests updated
Fix js when having multiple pop-overs
Change ID’s on pop-over to support multiple instances
Add cache to lists
define parents for cehckboxes. Makes it possible to move elements in  render array
Tests updated
cleanup
Check if var is array
update help
remove unused test