Modified Bottle usage to optionally run as WSGI app by exposing application callable. Updated import errors to output on stderr with newline.
Modified Bottle usage to optionally run as WSGI app by exposing application
callable. Updated import errors to output on stderr with newline.

cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo,cuckoobox/cuckoo