Fixing example explaining why people shouldn't use spaces in filenames
Updating index files
Renaming directories with example files
Merge branch 'master' into fixing-spaces-in-filenames-example
Incorporating Raniere's fixes
Instructor's guide for SQL
Instructor's guide for Python
Updating index file and moving utility scripts to the right place
Updating index for novice Python with resources
Updating SQL notes and guide
Starting the bibliography