Update eslint
Update .gitignore, .npmignore, bower ignore
Refactor property order in bower.json, package.json
Remove testling from package.json
Remove browser test
Move `spec/` to `test.js`
Remove `before_install` travis script
Refactor tests
Refactor index.js

- Add docs;
- Fix style.
Add functionaliy for chaining to `remove` and `add`
Add `toString()` method
Add `valueOf()` method (same as `all()`)
Add `has()` method (same as `is()`)
Update Readme.md
Refactor .jscs.json
Update changelog for 0.1.0
0.1.0