Moderngl

Fixed

- offset fix for vao render

Fixed

- depth texture filter and compare func
- scope restores old enable flags properly
- clear gl errors as the final step of initialization
- fix default framebuffer's number of attachments

Fixed

- included `moderngl.program_members` in the package list

Fixed

- broken description on PyPI

Added

- Sampler object support
- `Context.sampler` method
- `Context.max_anisotropy` property
- `Context.clear_samplers` method
- `Framebuffer.read` and `Framebuffer.read_into` now accepts `attachment=-1` to read the depth attachment
- `Texture.compare_func` property
- `Texture.anisotropy` property
- docs and tests

Fixed

- missing `ComputeShader` uniforms and uniform blocks
- wrong `DrawBuffer` call when clearing the screen
- reading depth values from textures
- broken compare functions

Added

- `index_element_size` for `Context.vertex_array` method

Fixed

- Compare functions