* Development 15 | Beta 2 | Development 0 | Experimental 1 *

* Added ShaderTest
* Added HeightmapTerrainTest
* Added HeightmapTerrain
* Added the methods setValuef() and setValuei() in Shader
* Added the ability to remove text in a text box

* Changed the variable type in GUITextDisplayArea for text, from
LinkedList<String> to List<String> for increased performance

* Created the package org.simplecorporation.myengine.core.game3d.terrain

* Fixed bug: GUIScrollBar didn't work after the new input system