As a user I need to be able to modify my username by clicking on button 'edit' in order to modify my pseudo

[x] link to modify page
[x] every link work
[x] emoticon

As a user when i click "create an account" then i land on the Sign Up page

[x] add link to signup page
[x] verify click link

As a user when I click button 'logout' then I am disconnected and return to login page

[x] create session
[x] go back to login page

As a user when I click button 'send' then I can see my message in the chatroom

[x] button send
[x] message in DB
[x] update chatroom with new message
[x] delete message later than 24 h

As a user i need to be able to disconnect from a chatroom by clicking on the "disconnect" button

[x] disconnect button
[x] go back to home
[x] update number of people of a chatroom
[x] update chatroom number of the user in DB

As a user i need to be able to connect to a chatroom by clicking on the "connect" button of a chatroom

[x] connect button
[x] display chat message
[x] update number of people of a chatroom
[x] update chatroom number of the user in DB

As a regular user, I want to log in by entering my email and password in order to connect to the chatroom

[x] create login page
[x] verify entries
[x] verify login with DB

As a user i want to modify my username by entering a new username and by clicking in the "confirm" button.

[x] confirm button
[x] verify in DB username isn't already used
[x] change the name
[x] go back to home with new name

As a user when I write a message I can see its content in a textbox

[x] write box

As a new user I need to create an account by providing my personal information (firstname, lastname, pseudo, email, password, confirm password) so that I can use the app

[x] create DB
[x] create sign up page
[x] verify entries
[x] add user to DB