cql2 0.5.5

Parse, validate, and convert Common Query Language (CQL2) text and JSON
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{"op":"t_contains","args":[{"interval":["2000-01-01T00:00:00Z","2005-01-10T01:01:01.393216Z"]},{"interval":[{"property":"starts_at"},{"property":"ends_at"}]}]}
t_contains(INTERVAL('2000-01-01T00:00:00Z','2005-01-10T01:01:01.393216Z'), INTERVAL(starts_at,ends_at))
{"op":"t_contains","args":[{"interval":["2000-01-01T00:00:00Z","2005-01-10T01:01:01.393216Z"]},{"interval":[{"property":"starts_at"},{"property":"ends_at"}]}]}