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Perform GetMarriageArByRegDatePeriod DRACS method (described at https://e-health-ua.atlassian.net/wiki/spaces/DRACS2EH/pages/1785810124918201706498/UPD+RC_DRACS+Trembita+methods#GetMarriageArByRegDatePeriod+methods+DRACS+2.0#GetMarriageArByRegDatePeriod ) with following params:
DateFrom = args.date_from
DateTo = args.date_to
Get ResultData field from method's response and decode it from base64 to get XML file of marriage act records list.
Parse obtained XML file and form a marriage acts list.
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