Changed 'padding' option's type in readme from 'String' to 'Number'
Block comment support and better unit tests

- Added support for html and css block commenting
  - Use `comments:[command]-block` command to use block commenting
- Wrote cleaner and better unit tests
  - Fixtures and expected files now have .fix and .exp extensions respectively
  to help differentiate them without checking the directory
- Updated .gitignore
- Updated readme and bumped version to 0.2.0
Merge pull request #1 from Cryszon/dev

Update to 0.2.0 from dev