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/docs1_6/objects/Pane.md

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+Panes are very simple sizeable background objects.
+
+The following list is only available to panes: <br>
+Remember Pane also inherits from [Object](objects/Object.md)
+
+Pane doesn't have any custom functionallity. If you want to change the color/position or size, just check out the [object](https://github.com/NoryiE/basalt/wiki/Object) wikipage.
+
+## Example:
+
+```lua
+local mainFrame = basalt.createFrame()
+local aPane = mainFrame:addPane()
+aPane:setSize(30, 10)
+aPane:setBackground(colors.yellow)
+aPane:show()
+```
+```xml
+<pane width="30" height="10" bg="yellow" />
+```