Open dir, small fixes

src/backup/todo.txt

@@ -1,6 +1,14 @@
 - What precise workflow do I need for me to be viable to use this?
 - From a user (novice) point of view, how does it look like?
 
+Use session 1:
+- OpenCommand in command window freezes the app
+- Shift + backspace should delete normally
+- SDL popups are not working on linux ...
+- Creating files more efficiently
+    - Dialog popup on save? Or ctrl-shift-s?
+    - Maybe rename in bar and do :Rename
+
 - Open with seek string (open at pattern) filename:32 filename:/^Window$/
 - build console window
 - Show what process/coroutines are running and allow to kill (active process buffer?)
@@ -11,6 +19,8 @@
 
 - Why constraint that name of buffer needs to be unique? For Open() and default behavior but is this required?
 - Try to add Tracking Allocator and rewrite the app, free all memory at the end of the app and check all is well
+- Maybe fix OS layer returning with "/" at the end for directories
+    - Fix open code pattern
 
 Commands TODO:
 - Console: OK concept but constrain