KeywordFinder gem released

For a project I'm working on, I decided to develop some functionality in a separate gem, so the project doesn't get cluttered too much with special librarly like classes. And since I like open source, I've got something to share with you.

We were dealing with the following situation:

Given a set of the following keywords: "aardappelen", "zachtkokende aardappelen", "zout", "schimmelkaas", "kaas", "oude harde kaas", "kikkererwten", "maïs", "bruine bonen", "shiitake", "boter"

Can you recognize:

"een grote pan zachtkokende aardappelen met een snufje zout"=>["zachtkokende aardappelen", "zout"],
"schimmelkaas" => ["schimmelkaas"],
"(schimmel)kaas" => ["schimmelkaas"],
"old amsterdam (maar een andere oude harde kaas kan natuurlijk ook)" => ["oude harde kaas"],
"g (verse) shiitake in bitesize stukjes gesneden" => ["shiitake"],
"pot hak bonenmix (kikkererwten maïs kidney en bruine bonen) afgespoeld en uitgelekt" => ["kikkerwerwten", "maïs", "bruine bo...