Basalt 1.7 Update

- New Objects (Flexbox, Graph, Treeview)
- Pluginsystem to add/remove functionality
- Reworked the entire Object system, instead of one big Object Class we have multiple classes: Object, VisualObject, ChangeableObject
- Instead of one big Frame Class we have multiple Frame Classes: BaseFrame, Frame, MovableFrame, ScrollableFrame, MonitorFrame, Flexbox
- Removed the Animation Object, and added a animation plugin instead
- Removed the Graphic Object and merged it's functionality with the image object
- Updated currently existing objects

docs/objects/Object/getParent.md

@@ -0,0 +1,22 @@
+## getParent
+
+### Description
+
+Returns the parent of the object
+
+This method is used to get the parent of the object, which is the object that contains it.
+
+### Returns
+
+1. `object` The parent object, or nil if the object has no parent
+
+### Usage
+
+* Creates a default frame with a button and gets the parent of the button.
+
+```lua
+local mainFrame = basalt.createFrame()
+local aButton = mainFrame:addButton():setText("My Button")
+local parent = aButton:getParent()
+basalt.debug(parent) -- The parent object (mainFrame) will be output
+```