Create User class
Add Create user function
Add user routes
Create SessionsController
Add sessions routes
Add new sessions function to controller
Add create sessions function to controller
Add destroy sessions function to controller
Add user login function
Add logout function
Rename url paths
Add authorization check
Remove unnecessary update posts function
Require authentication to add a post
Require authentication to upVote a post
Require authentication to comment on a post
Log in user after signing up
Add user associations
Revise comments table
Fix routes bug