= TableExtensions - extensions for working with table data

Major features:

* Custom renderers for fields

  Helper methods can be defined to customize field view. Naming convention is +render_modelclass_fieldname+
  
  def render_guestbook_line_accomodation_id(record, otpions = {})
    record.accomodation.title_hr
  end
  
* Custom selections  

* Custom actions with selected records

  Selected records id values are submited as +records[]+ to +selected_records+ action of curent controller.