changelog.txt

- 0.2.3a
  - Added Normal Mapping to specular lighting
  - Added Music/Sound effect pause/resume
  - Fixed minor instancing bug

- 0.2.3
  - Added Normal Mapping (quite laggy and only diffuse textures use it for now)

- 0.2.2
  - Added FreeTypeFont
  - Changed some key mappings

- 0.2.1
  - Added fog effect
  - Fixed an old texture mapping bug

- 0.2.0
  - Added music and sound effects
  - Added model instancing to render many trees without cpu bottleneck

- 0.1.9
  - Added an introduction screen
  - Added Help and Credits text
  - Added some scenery models to make more demo-like

- 0.1.8d
  - Heightmap texture now interchangeable within params.ini file

- 0.1.8c
  - Implemented a very basic gravity system for the camera

- 0.1.8b
  - Added specular texture to terrain textures
  - Modified terrain fragment shader

- 0.1.8
  - Added heightmap
  - Small modification to parameter input file format
  - temporarily disabled path map on terrain

- 0.1.7
  - Added particle system
  - Added error and warning macro functions in utils.h

- 0.1.6
  - Added animated loading screen running on seperate thread
  - Removed some unused code

- 0.1.5c
  - Fixed a specular texture bug

- 0.1.5b
  - Fixed some naming conventions

- 0.1.5
  - Added specular texture mapping