Admin Columns Pro 6.4.13

* [Added] Meta Box integration support
* [Improved] Export of third-party columns is now supported
* [Improved] Enable or Disable export per column
* [Updated] Admin Column Core changes ( 4.1.1 )

* [Added] Local Storage (store column settings on file system)
* [Added] New User Column: Posts by Author
* [Improved] Added the "does not contain" search operator for Title column
* [Updated] Admin Column Core changes ( 4.1 )
* [Improved] Type selector in Column settings
* [Improved] Send list screen ID with table form

* [Fixed] Possible errors during update process
* [Updated] Admin Column Core changes ( 4.0.3 )
* [Updated] Saving column settings for the first time could result in extra database records.