Collapsing is now supported in release 1.0
Source Code Folding Shortcuts
There are new folding actions to collapse source code regions based on their folding level.
There are actions to fold level 1 (Ctrl+K Ctrl+1) to level 5 (Ctrl+K Ctrl+5). To unfold, use Unfold All (Ctrl+Shift+Alt+]).
The level folding actions do not apply to region containing the current cursor.