          to accomodate. Setting to 1 means that there will only be 1 column
          regardless of how wide the control panel is. Higher numbers will
          dynamically fill extra columns if space permits. Defaults to 1
      option_columns: int, optional
          For checkbutton and radiobutton containers, how many options should
          be displayed on each row. Defaults to 4
      header_text: str, optional
          If provided, will place an information box at the top of the control
          panel with these contents.
      blank_nones: bool, optional
 
</s> remove         to accomodate. Setting to 1 means that there will only be 1 column
 </s> add         to accommodate. Setting to 1 means that there will only be 1 column </s> remove         How the control panel should handle Nones. If set to True then Nones
        will be converted to empty strings. Default: False
 </s> add         How the control panel should handle None values. If set to True then None values will be
        converted to empty strings. Default: False </s> remove     parent: tk object
 </s> add     parent: tkinter object </s> remove     checkbuttons_frame: tk.frame
        If a checkbutton frame is passed in, then checkbuttons will be placed in this frame
 </s> add     checkbuttons_frame: tkinter.frame
        If a check-button frame is passed in, then check-buttons will be placed in this frame </s> remove         Number of options to put on a single row for checkbuttons/radiobuttons
 </s> add         Number of options to put on a single row for check-buttons/radio-buttons
        For check-button and radio-button containers, how many options should
          to accomodate. Setting to 1 means that there will only be 1 column
          regardless of how wide the control panel is. Higher numbers will
          dynamically fill extra columns if space permits. Defaults to 1
      option_columns: int, optional
        For check-button and radio-button containers, how many options should
          be displayed on each row. Defaults to 4
      header_text: str, optional
          If provided, will place an information box at the top of the control
          panel with these contents.
      blank_nones: bool, optional
keep keep keep keep replace keep keep keep keep keep
 GUI Updates (#940)

* lib.gui: Update icons
* tools.cli: Add video filetype flag to mask input
* lib.gui.popup_configure: Refresh GUI on config save
* lib.gui._config: Add Icon size and load last session options
* lib.gui.control_helper - Add control modification tracking
* lib.gui - Add Projects and Last Session
- Main root title handled by projects
- Add Hotkeys
- Create projects module
- split fsw and fst filetypes
- Add last_session saving

* lib.project
- Documentation
- Ask confirm on closing unsaved project
-Fixups

* Track model folder changes
- Shuffle some globals
- Activate System Verbosity for GUI

* lib.gui.utils - Documentation and clean up
- lib.gui.custom_widgets - Create and document

* Add GUI config option to disable auto loading model stats 
lib/gui/control_helper.py