Raise exception when appending a component that is already in the model.
Automatic style corrections courtesy of autopep8.
Rename test to simply TestModel, slim the spectrum down, add test for component already in model and use assert_is instead of assert_equal.
Automatic style corrections courtesy of autopep8.
Correct wrong method name
Add ability to specify components by name and index to all methods that take components as arguments. Add tests, Model docstring and extra example to the User Guide.
Automatic style corrections courtesy of autopep8.
Add ability to specify components by name and index to EELSModel methods.
Test file renamed.
Merge pull request #3 from francisco-dlp/model_get_specific_component_cleanup

Model get specific component cleanup