host.py: restrict eval's globals by removing any builtins
host.py: restrict eval's globals by removing any builtins

cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,rodionovd/cuckoo-osx-analyzer,rodionovd/cuckoo-osx-analyzer,rodionovd/cuckoo-osx-analyzer,cuckoobox/cuckoo,cuckoobox/cuckoo