More detailed help text in response to your comments here
Email confirmation on (un)subscription
Admin tab links now works as normally expected
Tag change! phq_subscribe ⇒ phq_subscribe_url in email templates, must be updated manually if you have had a previous version installed
Better documentation addressing details of how the plugin actually works
No confirmation on the webpage
No single subscribe forms, only by writing comments.
Checkbox that let you subscribe directly(optional for siteowners to implement).
Clean up/add phq_ prefix to database table