set options other params to @params

lib/tallty_import_export/import.rb

@@ -54,6 +54,7 @@ module TalltyImportExport
       options = options.with_indifferent_access
       @headers = options.delete(:headers) || import_headers
       @primary_keys = options.delete(:primary_keys) || @headers.map { |header| header[:primary_key] ? header[:key].to_sym : nil }.compact
+      @params = options
 
       @excel_hash = @headers.reduce({}) do |h, header|
         h[header[:key].to_sym] = header[:name]