Merge pull request #3 from georgjaehnig/master

Exclude form fields from being saved.
Update README.md

Added info on excluding fields from the cookie.
Update sayt.jquery.json

Updated version
Update sayt.jquery.json
Updated version number
Merge branch 'master' of https://github.com/BenGriffiths/jquery-save-as-you-type
typo fix
+documentation