added more warnings, skipping when activating more than once or only a single pixel
Automatic style corrections courtesy of autopep8
print -> warnings.warn
Automatic style corrections courtesy of autopep8
documentation
Move component level test to test_component, add new tests and make storing automatic.
Automatic style corrections courtesy of autopep8.
Small changes to the User Guide.
Rename active_map to _active_array.
Rename enable_pixel_level_switching -> active_is_multidimensional
Merge pull request #4 from francisco-dlp/ENH_component_active_pixel

Enh component active pixel
Merge branch 'ENH_component_active_pixel' into model_as_dict
Automatic style corrections courtesy of autopep8
typo