/*
Add uncountable words that shouldn't be attempted inflected.

Examples:
String.Inflector.uncountable('money')
String.Inflector.uncountable('money', 'information')
String.Inflector.uncountable(['money', 'information', 'rice'])
function(first) {
      var add = array.isArray(first) ? first : multiArgs(arguments);
      uncountables = uncountables.concat(add);
    }