0.1.5.1:check_region: no sourcing, but integration with functions
0.1.5.2:close: rewrite function for closing regions
0.1.5.2:close: rewrite function for closing regions
0.1.5.3:hide: rewrite function for hiding regions
0.1.5.4:focus: rewrite function for focus regions
0.1.5.5:move_to_desk: rewrite function for moving regions to another virtual desktop; improve option --desk with new arguments next, preview, s:1, i:1