Fix stuffs

1#Fix bug where unlogged users are able to follow registered users creating a fake number of followers and wrong pagination.See demo here
http://open-wp.com/questions/user/admin/followers/  or here http://open-wp.com/questions/user/Alex%20Alex/followers/ 

2#Add a comma , to separate tags
3#Fix tag Arrow
4#Fix un-clickable links as seen on http://open-wp.com/questions/user/admin/answers/ you can't sort the answers
5#Reposition the comma for better alignment
Awesome plugin keep it free and updated.