v1.2.4

New features

• Exact time (including timestamp) mail was sent can now be seen in the debug panel and when you hover over the value in the sent column of the table #47

Bug fixes

• Fixed error when calling wp_mail and passing an attachment as a string #48
• Namespaced CSS #44
• Fixed incorrect time being rendered #41
• Sorting columns now works #42

Under the hood

• Removed plugin copy of WP_List_Table which reduces the plugin size significantly #43

Special thanks

• Thanks to @pbiron for reporting #41, #42, #43, #48
• Thanks to @dazjohnson for reporting #44
• Thanks to @gabrieliuga for suggesting #47