Just login via Steam now
And you will able to do all this interesting things:
(new) Search
Track when friend was added to your friend list
Track when friend was deleted from you friend list
Track when friend was renamed in your friend list
Filter events with different filters
Refresh on request
View friend history with all his/her nicks, adds, deletions
Save custom notes for a friend
Mark if friend was added or deleted by you
And these cool features are in developement now:
Calendar
Add where are your friend from, and ability to use country filter
And much more! You can share your ideas in Steam group at link in the footer