Function split is deprecated. Using explode.
add bright gray background to changed lines in the diff view
notify user when the same option is stored in more than one bundle
Added download link
download bundle file from download link
Merge pull request #25 from alfreddatakillen/diffcolor

Diffcolor
Merge pull request #27 from alfreddatakillen/dupenotifications

Notify user when the same option is stored in more than one bundle
Merge pull request #28 from alfreddatakillen/downloadlink

Download link
Ensure that old_value exists, even if empty (#26)
Bulk tweaks
Multisite support for WPCFM()->readwrite->delete_file