Create NestedAttributes::Destructable and include in Document and EmbeddedDocument
Cosmetics
Get rid of aliasing for ManyDocumentsProxy#save_to_collection
Add Code Climate badge
Split the spec files a little bit
Split mm-nested-attributes.rb to multiple files
Split the association extensions into a separate file
Don't use the rubygems symbol in the Gemfile, but the https URL instead
Add myself to the gemspec