Adding xml_examples from class A in class013
Merge branch 'master' of https://github.com/thebravoman/software_engineering_2014
Merge branch 'master' of https://github.com/thebravoman/software_engineering_2014
Adding csv_writer from class014 and the separation of concerns
Merge branch 'master' of https://github.com/thebravoman/software_engineering_2014