Use bundler to make gem
Add Musical::Util
Refine .gitignore
Add spec for argument parser
Add coverage setting to spec_helper
Update README file type from rdoc to markdown
Use ruby-2.0.0-p0
Implement DVD.detect
Add scripts dir
Add Musical::ITunes::Track
Change method name from Track#delete to Track#delete!
Use ruby-2.0.0p247
Use rspec-2.14
Remove unused methods from Musical::Util
Use itunes-client
Refine option parser specs
Bump up version to 0.1.0
Add execute_command method to Musical::Util
Remove Musical::Itunes
Add Musical::Configuration