Add comment.
Rename users variable.
Give user random name.
Rename missed variable.
Clean up function.
Clean function.
Change choice of wording.
Treat number as a number, not string.
Change choice of word.
Rename socket function.
Decribe property better.
Change canvas size.
Prep. for logging chat messages to server console.
Change wording.
Prep. for storing users in two ways.
Generate ID's for tracking users numerically.
Fix users not being added to onlineUsersById object.
Gracefully handle message attempts to offline users.
Prep. for client receiving tell messages.
Keep pointer to socket for each user.