#532

#533

c: Try loading OpenGL through EGL if GLX isn't available

[experiment] rework c opengl extensions loading + allow force core profile in less than GL 3.2

Added documentation generation for C

Fix issue #492: Handle GL implementations with 0 extensions

Add glfwInit() and glfwTerminate() in README snippet

Fix double space in date

Close Win32 Window Properly in WGL Example

Create venv and install glad-python dependencies during build