ics-parser: Weekly event returned on wrong dates

Hi, I have the same problem as described here:

RE: #100

BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Praca
X-WR-TIMEZONE:Europe/Warsaw
X-WR-CALDESC:test@test.pl
BEGIN:VTIMEZONE
TZID:Europe/Warsaw
X-LIC-LOCATION:Europe/Warsaw
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19700329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19701025T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Europe/Warsaw:20170309T000000
DTEND;TZID=Europe/Warsaw:20170310T000000
RRULE:FREQ=WEEKLY;BYDAY=TH
DTSTAMP:20170309T095228Z
UID:7mb54fkuh2v93tc8lpkp3m7puk@google.com
CREATED:20170309T093023Z
DESCRIPTION:
LAST-MODIFIED:20170309T094007Z
LOCATION:
SEQUENCE:1
STATUS:CONFIRMED
SUMMARY:test2
TRANSP:OPAQUE
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20170307
DTEND;VALUE=DATE:20170308
RRULE:FREQ=WEEKLY;BYDAY=TU
DTSTAMP:20170309T095228Z
UID:iqhokmdsti6227spvkb4edaqao@google.com
CREATED:20170306T095043Z
DESCRIPTION:
LAST-MODIFIED:20170309T090512Z
LOCATION:
SEQUENCE:1
STATUS:CONFIRMED
SUMMARY:test
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR