code: function Checkit(validations, options) {
    if (!(this instanceof Checkit)) {
      return new Checkit(validations, options);
    }
    this.conditional    = [];
    options             = _.clone(options || {});
    this.labels         = options.labels   || {};
    this.messages       = options.messages || {};
    this.language       = Checkit.i18n[options.language || Checkit.language] || {};
    this.labelTransform = options.labelTransform || Checkit.labelTransform
    this.validations    = prepValidations(validations || {});
  }
docs: The top level `Checkit` constructor, accepting the `validations` to be run and any additional `options`.