Table of Contents to a primary section
Update CONTRIBUTING.md
Fix typos: plurality of elements; utmost (vs. upmost)

- fix two occurrences of "element" which should be pluralized
- replace upmost with utmost (assumed meaning to be the greatest degree
  vs. the highest or uppermost)
Merge pull request #15 from jtwalters/typos3

Fix typos: plurality of elements; utmost (vs. upmost)
Fix a few minor typos and missing words

(Hint: diff with git's --word-diff option to see the changed words)
Merge pull request #16 from jtwalters/typos4

Fix a few minor typos and missing words
Cleaned up a bunch of 'you's
Updated Version in README
Version Bump
Update README.md
Fix slight typo in the introductory sentence
Merge pull request #20 from johnbacon/patch-1

Fix slight typo in the introductory sentence