cql2 0.5.5

Parse, validate, and convert Common Query Language (CQL2) text and JSON
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{"op":"t_during","args":[{"interval":[{"property":"touchdown"},{"property":"liftOff"}]},{"interval":["1969-07-16T13:32:00Z","1969-07-24T16:50:35Z"]}]}
t_during(INTERVAL(touchdown,"liftOff"), INTERVAL('1969-07-16T13:32:00Z','1969-07-24T16:50:35Z'))
{"op":"t_during","args":[{"interval":[{"property":"touchdown"},{"property":"liftOff"}]},{"interval":["1969-07-16T13:32:00Z","1969-07-24T16:50:35Z"]}]}