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less initialization so heroku can start without timing out
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removing the (do) seems to avoid initialization errors in workbook.
cleanup: remove engine-local grammars like mini-it-grammar
use futures to attempt to get system to start up faster
add TODO
dereference futures as needed
handle another instance of a future
working on improving speed by loading less stuff
remove italianverbs/generate
in example input, change (sentence) to (it/sentence)
error if no answer exists for the input