glTexParameterI, glGetTexParameterI commands DONE, except for dispatch
glVertexAttribI commands not started
glBindFragDataLocation, glGetFragDataLocation cmds not started
-glBindBufferRange, glBindBufferBase commands not started
+glBindBufferRange, glBindBufferBase commands DONE
GL 3.1:
Texture buffer objs (GL_ARB_textur_buffer_object) not started
Rectangular textures (GL_ARB_texture_rectangle) DONE
Uniform buffer objs (GL_ARB_uniform_buffer_object) not started
-Signed normalized texture formats not started
+Signed normalized texture formats ~50% done
GL 3.2: