admin spec added
added some admin specs
added methods for admin class
some more specs for admin were added
corrected specs and added methods for admin
some corrections vere made
added admin spec for editing comment
admin specs for getting user info and purchase list added
added admin methods for getting user info and purchases
message class and specs for message initialization were added and all errors changed with standart output
message class initialization added
spec for sending a message added
method for sending message added
added admin spec for changing user balance
added specs for username and user data validation
added methods for user username and data validation
users can now register and login
user can now view games and add them to cart
all user functions added