#5 findFreeRooms() broken

[Pål Brattberg]

The algorithm to find free rooms is currently broken.

It is possible to double-book a room without problems.

It should also be made to find a reservation using
more than one room, possibly breaking the reservation
in two, thereby creating the need for a redesign.

Oumph.

[Pål Brattberg]

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It should also make sure that it returns the room with the
LEAST amount of extras, so that we save the well-equipped
rooms for those who really want them.

[Pål Brattberg]

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Room is now the one with the least amount of extras.

[Pål Brattberg]

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I'm leaning towards letting the user choose a specified room
out of all available, matching rooms instead of making the
system choose the best match.

This will probably work out fine for smaller hotels, but will
need work if we get some larger (50-100+) hotels using
roomba.