Add Syntax.hs to cabal
Export POVRayOptions
add SDL instance for Maybe SDL
Fix AdditiveGroup instance for POVRay Vector
Add convenience function for making POVRay Vectors
Rename POVRay Color type to avoid name clash
Extend SICamera to distinguish Perspective, Orthographic types
Add parallel light to POVRay syntax
Set object color using FillColor Attribute
Renderable instance for Camera
Renderable instance for ParallelLight
Add Renderable instance for PointLight
Merge pull request #1 from diagrams/lights-camera

Lights & Camera