Bugfixing

Now clients in the list get actually matched against connecting client,
based on their mac address (that of course should be converted into
integer before comparing).
Updated RAEDME.md

Plus temprorary commit befor renaming Client properties.
Refactoring: renaming Client object properties
Removed the is_online boolean attribute

We will use the value of the property 'socket' to determine if a client
is online or not.
Forgot to commit the model.py in relation to previous commit
Bugfixing

Removed unnecessary print and reading config from database object when
creating runtime client.
Now the clients model basically works