Sequester 0.0.10

Tidy and start of README.md. Otherwise, no changes.

• Release version 0.0.10. #55, 3e16084.
• Update package.json keywords. 7eaf115.
• Allow for Pull Request builds on Travis CI. 837f3b3.
• Upgrade Proof to 0.0.56. #54, 1f4c73a, a44e99c.
• Create a Markdown README.md. 6bb4c75, 7b25795, ca6bc58, 394c54c.
• Remove shebang line from tests. ba813b0.
• Tidy tests for latest Proof conventions. 752022f.
• Build on Travis CI without sudo. 3c51c30.
• Change Node.js target versions on Travis CI. e320627.
• Tidy project directory. 9ee8e33.
• Fix license in package.json. 99970f4.
• Update license for 2015. #53, 090cebd.

Changes between v0.0.9...v0.0.10.