Updated docs

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docs/objects/Progressbar/setDirection.md

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+## setDirection
+Sets the direction in which the bar should be expanding.
+
+#### Parameters: 
+1. `number` x direction (0 = left to right, 1 = top to bottom, 2 = right to left and 3 = bottom to top)
+
+#### Returns:
+1. `object` The object in use
+
+#### Usage:
+* Creates a progressbar and sets the direction from bottom to top
+```lua
+local mainFrame = basalt.createFrame()
+local aProgressbar = mainFrame:addProgressbar()
+aProgressbar:setDirection(3)
+```
+```xml
+<frame direction="3"></frame>
+```