get countries by species name/ID

[Scott Chamberlain]

• http://apiv3.iucnredlist.org/api/v3/docs#species-occurrence-name
• http://apiv3.iucnredlist.org/api/v3/docs#species-occurrence-id

[olliewearn]

Hi Scott, any update on this? It would be really useful!

[Scott Chamberlain]

@olliewearn done now, reinstall from github and try again