Cleaning - Array.isArray, init, squash some if statements
Add comments for index.js + move a few things in utils.js
Remove TODO
Clean model.js + Fix for {_type: Date}
Factor the check in a new method
Remove TODO + rename checkEnforce to _checkEnforce
Clean document.js + add a few tests for document
Ignore .swp files
Add test for get with an array
Clean query.js + add comments
Add contributors
Bump version 0.2.21