cleaned up code

no changes to functionality or, just moved name, date, info to top
calculator - added class and attributes

set up project files and added class with attributes
comments added

giving explanation for other people who come later to know what the
code is doing.
weekly expenses for user robert added
added new comments to user attributes

comments to make it easier to know what user the values belong to.
mary's expenses added
james expenses added
used the wrong variable for mary.

changed s to m
changed values for katy and steve

put in the correct values for users katy and steve.  also added the
comments to identify the users full name
trash