Change version number.

Signed-off-by: Silver Phoenix <silver.phoenix99@gmail.com>
- Beginning work on RenderHandle and RenderContext rework.
- RenderContext can now be bound multiple times.
- Texture2dContext rework to have correct functions by GL version.

Signed-off-by: Silver Phoenix <silver.phoenix99@gmail.com>
- Beginning work on RenderHandle and RenderContext rework.
- RenderContext can now be bound multiple times.
- Texture2dContext rework to have correct functions by GL version.

Signed-off-by: Silver Phoenix <silver.phoenix99@gmail.com>
Fixed missing @rh from gl calls.

Signed-off-by: Silver Phoenix <silver.phoenix99@gmail.com>
Separated rendering into RenderHandle (native layer) and RenderContext (Ruby layer).
Defined versions 1.0 and 1.1 as extensions.
Context and extension cleanup.