This is a fantastic add-on but...

In the last update (0.4.4.1) the scheduled blocks appear to have become scheduled UNblocks and I can't see anywhere this change has been explained.

Aside from that, scheduled blocks are now unnecessarily complicated:

"By providing a regular expression rule, you can limit the current schedule to the matching URLs. To have multiple schedules with different rules, fill the section for each rule and press the save button. To delete a saved rule, fill the rule part and wait for the extension to load the schedule, then delete the timing section without removing the rule itself."

... wut?