Export GetPluralSpec (nicksnyder#83)

This is a follow up to this long-lived Hugo issue:

gohugoio/hugo#3564

This may be improved on in nicksnyder#82 -- but this one is needed just go get it done.

The plan for Hugo's part is:

For all the language codes in use:

1. Check if it is already registered (`GetPluralSpec`)
2. If not, register it as an alias to `GetPluralSpec("en")`

Update to CLDR 31.0.1 (nicksnyder#80)

Simplify isStandardFormat (nicksnyder#71)

Add TOML support (nicksnyder#66)

Fixes nicksnyder#61
Updates gohugoio/hugo#3200
Updates gohugoio/hugo#2577

Fixes nicksnyder#54 - make bundle safe for concurrent map reads and w…

…rites

handle Count field from template data

Add goi18n constants command nicksnyder#50 (nicksnyder#51)

The constants command generates a file of constants for each translation id.

Update README.md

Merge pull request nicksnyder#39 from dennisfaust/master

Add LanguageTags and LanguageTranslationIDs functions

upgrade to Travis container infrastructure

https://docs.travis-ci.com/user/migrating-from-legacy/?utm_source=legacy-notice&utm_medium=banner&utm_campaign=legacy-upgrade