Update docs to list all functions that have Python bindings.
Update docs to list all functions that have Python bindings.

vsmontalvao/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,BueVest/liblouis,liblouis/liblouis,vsmontalvao/liblouis,IndexBraille/liblouis,BueVest/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,IndexBraille/liblouis,IndexBraille/liblouis,BueVest/liblouis,vsmontalvao/liblouis,hammera/liblouis,BueVest/liblouis,vsmontalvao/liblouis,liblouis/liblouis,vsmontalvao/liblouis,hammera/liblouis,liblouis/liblouis,IndexBraille/liblouis,hammera/liblouis