Releases of the Meow Commmon has to be carefully made, and version_compare
should be used when big changes are made.

= 3.6 (2021/09/22) =
* Premium classes are now separated.

= 3.5 (2021/08/31) =
* Better security.
* New images.

= 3.4 (2021/08/05) =
* Sanitize and escaping.

= 3.3 (2020/12/19) =
* is_cornerstone_builder()
* is_pagebuilder_request()
