Another awesome work!And so quickly too!I just tested it on a site i am building on localhost(xampp) again,and i have to say these:
1)the plugin is perfect!Finally a solution to making new users automatically login after sign up,and an email activation implementation for modx evolution!
2)at first,i had a few issues.The [+websignup_activate_output+] placeholder was getting "eaten" by the phx plugin.I don't know why,i just deactived phx and everything worked out ok.
3)In order for the plugin to work, the activation resource page must be set as
NON CACHEABLE! (i have also set it as non-searchable because i don't want it to appear on my sitemap,but i am not sure if it was a right choice).
4)There is a small issue with two messages:if a user deactivates/deletes his account and then types the activation page's url,then he gets both messages: "$wbsgnp['lang']['account_already_active']" and
"$wbsgnp['lang']['account_not_found']",while he should get only the
"$wbsgnp['lang']['account_not_found']" message.
Not much of an issue though.
If i come up with anything else i will let you know

Again,thanks for this excellent contribution to the modx project

.