
--------------------
URGENCY: to do soon
--------------------

- make context managers more consistency with files - see example on OnExit
  method in gui_app.py

--------------
URGENCY: high

- [TEXT DIALOGS] Improve message dialog within URLs, i.e. using `wx.lib.agw.hyperlink`.
  [ffplay_url_exe.py, Videomass version, youtube-dl update]

- [CODE IMPROVING] av_conversions.py needs a deeper refactoring.

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URGENCY: medium
----------------

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URGENCY: low
-------------

- Crop filter: Make combobox to choose other colors for the crop
  rectangle selection.







