Configured testing suite
Install Generator

Tests and Implementation of Install Generator
Implemented acts_as_friendable

Simply placing 'acts_as_friendable' in a model will add all of the ActsAsFriendable functionality.
Changed Implementation

Decided that "include ActsAsFriendable" is a bit more transparent.
Friendship Relationship

Added the Friendship class.
Relationships

Implemented all relevant relationships.
Friendship Scopes

Defined and tested relevant scopes.
Instance Methods

Added several helpful instance methods.
Release Candidate.