no chapter can be added twice with Mangas
added to spec cleanup
added #to_s, #eql? and == to tools
added @name to popmanga
added specs for #eql? and ==
require yaml in mandown
update gitignore
Merge branch 'master' of github.com:jphager2/mandown
modified manga to get_chapter by index
added spec to check whether Manga creates the right type of chapter
updated .gitignore
cleaned up scripts
added guard to gemfile
changed to guard-rspec
added Guardfile
merge .gitignore