How to run:

# Download all files/parse, dump all output into a file called 'cache'
ruby parse.rb

# Read the 'cache' file, throwing everything into a SQL database
ruby upload.rb

# Download all course info files, dumping output into 'cache-course-info'
ruby course_info.rb Spring 2012

# Throw 'cache-course-info' into the database
ruby upload_course_info.rb Spring 2012