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/Image/getFrameCount.md

@@ -0,0 +1,20 @@
+## getFrameCount
+
+### Description
+
+Returns the total number of frames in the image object.
+
+### Returns
+
+1. `number` The total number of frames in the image object.
+
+### Usage
+
+* Creates a new image object, loads a bimg image, and retrieves the frame count
+
+```lua
+local mainFrame = basalt.createFrame()
+local aImage = mainFrame:addImage():loadImage("test.bimg")
+local frameCount = aImage:getFrameCount()
+basalt.debug(frameCount)
+```