Bugfix - Original replacement was creating a duplicate...
Bugfix - Mess with post_status, copy and duplication + default status for copies is 'draft'
Bugfix - Erase 'menu_order' field too
Bugfix - Refactoring of erase_content actions management and take care of 'post_date' + 'post_date_gmt' fields
Feature - Show date near of the duplicates