Prototype Done with docs

expcore/gui/core.lua

@@ -3,6 +3,10 @@
     @alias Gui
 ]]
 
+--- Core.
+-- Functions that act as a landing point for the other funtions
+-- @section core
+
 local Event = require 'utils.event' -- @dep utils.event
 local Prototype = require 'expcore.gui.prototype'
 
@@ -25,4 +29,17 @@ function Gui.get_concept(name)
     return Gui.concepts[name] or error('Gui concept "'..name..'" is not defind',2)
 end
 
+function Gui.clone_concept(name,new_name)
+    local concept = Gui.concepts[name] or error('Gui concept "'..name..'" is not defind',2)
+
+    if Gui.concepts[name] then
+        error('Gui concept "'..name..'" is already defind',2)
+    end
+
+    local new_concept = concept:clone(new_name)
+    Gui.concepts[new_name] = new_concept
+
+    return new_concept
+end
+
 return Gui