Adds support for dash, underscore and deleted underscore options.

Fix for issue#4.
Fix README typos
Merge branch 'master' of https://github.com/tellapart/commandr
Simplify modes interface

- Add an option setting interface.
- Updated documentation and examples.
Merge branch 'dashes' of git://github.com/kevinballard/commandr into kevinballard-dashes

Conflicts:
	README.txt
Add support for stacked decorators
Bug fixes
Typo
Merge pull request #9 from kevinballard/decorator

Add support for stacked decorators
Prepare release 1.1.0
Update MANIFEST
Default to function name if none specified.

Supports both @command and @command().
Merge pull request #11 from ganjianwei/default-fn-name

Default to function name if none specified.