Created SQL table schemas.
Added seed data
set up gemfile
create question database and class
Create user class.
Add require_relative for other classes.
Add Reply class.
Add QuestionFollower class.
added most_followed_question
Add QuestionLike class.
Add most liked questions methods.
added average karma
Moved files into lib
tested user, and updated require_relative error
Test Reply and Question. Fix find_by_id bug.
Fixed average karma for when there's no likes for a question
test question follower
tested question likes
Add user save.
requiring question record