Add short description for ActsAsFollower::FollowScopes methods

lib/acts_as_follower/follow_scopes.rb

@@ -1,35 +1,43 @@
 module ActsAsFollower #:nodoc:
   module FollowScopes
 
+    # returns Follow records where follower is the record passed in.
     def for_follower(follower)
       where(:follower_id => follower.id,
             :follower_type => parent_class_name(follower))
     end
 
+    # returns Follow records where followable is the record passed in.
     def for_followable(followable)
       where(:followable_id => followable.id, :followable_type => parent_class_name(followable))
     end
 
+    # returns Follow records where follower_type is the record passed in.
     def for_follower_type(follower_type)
       where(:follower_type => follower_type)
     end
 
+    # returns Follow records where followeable_type is the record passed in.
     def for_followable_type(followable_type)
       where(:followable_type => followable_type)
     end
 
+    # returns Follow records from past 2 weeks with default parameter.
     def recent(from)
       where(["created_at > ?", (from || 2.weeks.ago).to_s(:db)])
     end
 
+    # returns Follow records in descending order.
     def descending
       order("follows.created_at DESC")
     end
 
+    # returns unblocked Follow records.
     def unblocked
       where(:blocked => false)
     end
 
+    # returns blocked Follow records.
     def blocked
       where(:blocked => true)
     end