Clowncart update

Clowncart is now a part of the vehicle class
Clowncart no longer can draw on space tiles
Added a limit on how much shit can the clowncart draw on one tile
Fixed some messages related to clowncart
Clowncart spawn moved a bit to the left
New description
Using various stamps on the clowncart will change colour of smartCrayon
II
Bananium sheets give much much less fuel now