extract follow related functions to a trait
unfollow user command and its handler
add follow/unfollow functions
add a presenter for pluralizing the number of statuses and followers
add functional tests for following a user and integration tests for user repository
restructure the profile page layout
add an unfollow button
add function to unfollow user
clean up the user repository
update readme
Merge pull request #9 from anuragsoni/develop

Develop