Python Context should be namespaced
All Subplot-provided functions files should use a main key 'subplot', and each library should use its own subkey. The Context class should make this easy to do and easy to get right and hard to get wrong.
All Subplot-provided functions files should use a main key 'subplot', and each library should use its own subkey. The Context class should make this easy to do and easy to get right and hard to get wrong.