StringIO returns '\x00' characters when given a unicode string. Ignore them while parsing dates.
StringIO returns '\x00' characters when given a unicode string. Ignore
them while parsing dates.

abalkin/dateutil,abalkin/dateutil,jenshnielsen/dateutil,pganssle/dateutil-test-codecov,sprymix/python-dateutil,mjschultz/dateutil,sprymix/dateutil,adamgreig/python-dateutil,pganssle/dateutil-test-codecov,Bachmann1234/dateutil,emsoftware/python-dateutil