Added script for buying stuff.
Added script for buying stuff.


Former-commit-id: 1816ceb9306de020a9159fcd77fead17353ffe52
Former-commit-id: 086009039bdfc8741475bf0b71b09b45dd05796b
dilawar/ncbs-minion,dilawar/ncbs-minion,dilawar/ncbs-hippo,dilawar/ncbs-hippo,dilawar/ncbs-hippo,dilawar/ncbs-minion,dilawar/ncbs-hippo,dilawar/ncbs-minion,dilawar/ncbs-hippo,dilawar/ncbs-minion