v2.11.2

• Fix: #676 Fixes handling of content! and attributes!
• Fix: #800 Fix exception calling SOAPFault#to_s when http.body is empty
• Fix: #757 Logging: Use filter without automatic pretty printing
• Fix: #771 Restore support for cookies when using custom headers
• Feature: #744 Add support for rpc encoded wsdl
• Feature: #742 Add support for local request headers
• Feature: #704 Add possibility to pass attribute delete_namespace_attributes to Nori