v1.2013.4

Based on version 2013d of the IANA Time Zone Database (https://mm.icann.org/pipermail/tz-announce/2013-July/000012.html).

v1.2013.3

Based on version 2013c of the IANA Time Zone Database (https://mm.icann.org/pipermail/tz-announce/2013-April/000011.html).