Add README.md containing badges.
Merge pull request #1 from bantu/readme-badges

Add README.md containing badges.

* bantu/readme-badges:
  Add README.md containing badges.
Rename 'out' to 'stream'.
Merge pull request #2 from bantu/rename-out-to-stream

Rename 'out' to 'stream'.

* bantu/rename-out-to-stream:
  Rename 'out' to 'stream'.
composer.json: Add authors entry.
README.md: Add Installation and Usage
README.md: Add stream example.
Merge pull request #3 from bantu/readme-examples

README.md: Usage / Examples

* bantu/readme-examples:
  README.md: Add stream example.
  README.md: Add Installation and Usage