Memory org didn't fix leak. Closures.

- fix sel change crash during new tree (restart tree timer flag)
- make sure copy scratchpad is updated after tree, blink yellow if
errors, and at file load
- don't reload tree when loading a path or a listing file (ellipsis
buttons)
- specify #cols expected when reading file, trim end, don't put tab at
the end of line when saving file
- mouse up in treemap fix (tmap mouse down flag)
- no more while false