controlpanel.Get
Description
Returns (or creates if not exists) a control panel.
Arguments
1 string name
The name of the panel. For normal tools this will be equal to 
TOOL.Mode (the tool's filename without the extension).
When you create a tool/option via spawnmenu.AddToolMenuOption, the internal control panel name is TOOL.Mode .. "_" .. tool_tab:lower() .. "_" .. tool_category:lower().
Returns
Example
Get the Contextmenus panel for the weld tool.
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