v1.6

+ Edit ID of Item : (name.toLowerCase() + type.toUpperCase() +
scarcity.toUpperCase()).hashCode()
+ Edit DBReader: from abstract class to interface
+ Add String regexp to DBReader about recipe and data db
+ Add Comment to regexp
+ Add findItem(String name) to recipeDBReader
+ Edit dataRegExp to match the db
+ Edit recipeRegExp to match the db