Library extension (alcohol#44)

* Extended the functionality of the library in order to support lookup by name identifier.

* Composer update and php-cs-fixer update.

* phpunit tests and corrections

* Updated the docs.

* Changed the name of GB to the initial one. Removed the extra whitespace. Changed the order of the class constants as well as the order in the keys array.

* Removed .idea from the project .gitignore and added it to the global.

update CHANGELOG (and minor docblock changes)

Tagging 1.0.2

Tagging 1.0.1

release 1.0.0