Added contributors section to package.json
Add failing test for camelCase, usage, and default options
Track aliases added by the parsing code, and don't display them in help

Fixes #41 and closes #42.
version output will not print extra newline
Now that yargs is the successor to optimist, I'm changing the README language to be more universal. Pirate speak isn't very accessible to non-native speakers.
Merge pull request #38 from chrisn/contributors

Added contributors section to package.json
Merge pull request #43 from nylen/fix-camelcase-usage

Fix help text with dashed options and default values
Merge pull request #49 from boneskull/master

version output will not print extra newline