Add custom functionality to disable function
Create less_aggressive.html

This file sets a custom cookie on modal exit that has a shorter lifetime than the default cookie. The reverse could also be used where a short default cookie is set and when the disable function is called after successful form submit, it would drop a longer dated cookie.
Update README.md

add example of optional parameters for disable function
Merge branch 'master' of github.com:mcgwebdesign/ouibounce into mcgwebdesign-master
Add build
Remove keydown listener on disable
Clarify API conditional by using if statement
Build source
Merge master & fix conflicts
Rename sitewide-cookie test page
Refactor sidewise cookie option
Build source
Add sitewide-cookie documentation to README
Bump version :shipit: