Bumped version to 3.0.3.0. Bumped copyright year.

Allow GHC 8.6.1 failures for now, it is still a pre-release.

Bumped copyright year.

Better export DataRepresentation, too. Tweaked CHANGELOG.md.

Added/fixed various Uniform instances. Relaxed upper version bound fo…

…r OpenGLRaw.

Removed another redundant constraint.

Relaxed upper version bound for OpenGLRaw. Bumped version to 3.0.0.1.

Removed redundant import.

Bumped version to 2.13.2.1.

Fixed even more markup typos.