Init Guard
Update README.md
Fix a typo
Merge pull request #49 from ymmtmdk/master

Fix a typo
Fix a few typos
Add a few more edits
Merge pull request #50 from paulog/readme-typos

Readme typos
Ignore .ruby-version file
Use single quotes
Use single quotes
Use single quotes
Use single quotes
Remove empty lines
Align indent of end
Fix indent and quotes
Remove extraneous blank line
Fix spacing and indentation
Fix spacing
Fix spacing and quotes
Fix spacing