v1.3.0

CHANGELOG

• Add [#179]: add cultivars info to README.

• Add [#178]: parse cultivars via REST API.

• Add [#177]: parse botanical cultivars via web.

• Add [#173]: cultivars parsing @tobymarsden.

• Add [#172]: authors initials with a dash like "B.-E.van Wyk".

• Add: tests for cultivars (Toby Marsden)

• Fix [#174]: Hybrid character is missed or wrong in details'
  Words section.