Should fix #2 and #1 needs verification
Adding isset checks to reduce undefined index errors

Fixed numerous PHP Notices of "Undefined index" by checking if the value has been previously set. Most of these revolved around $_COOKIE [ index ].
Update lib with new pr
Merge pull request #7 from jgraup/master

Adding isset checks to reduce undefined index errors
Merge branch 'master' of github.com:JayWood/content-warning-v3
Re-add css option output
re-add button patch