I apologize for the problem you have faced.
If you are locked-out on your own website, please follow below steps :
Please rename the wordpress-ip-blocker-pro folder to wordpress-ip-blocker-pro-disabled
Now login to your website's admin panel.
Now rename back the wordpress-ip-blocker-pro-disabled to wordpress-ip-blocker-pro
Go to your Plugin's Admin Panel and Activate WordPress IP Blocker (if it is not activated)
Now you should be able to exclude yur own IP Addresses.
Please reply or email us at firstname.lastname@example.org, if you are still not able to get into your website to make the changes. We will be in touch will you instantly to sort out the problem as soon as possible.