Print multiple args for an anonymous function
Made add_options use variadic templates, not NULLPTR.
Fixed a wrong guarantee in the cluster connectivity code. CR 1174.
fixing interruption in http_app_t and derived classes
adding http interruptor test
making http protob interruption exception-safe
removing extra copy of http_res_t
Merge branch 'michel_1919_varargs' into next
Merge branch 'next' into sam_NULLPTR
Merge branch 'sam_NULLPTR' into next
Merge branch 'next' into sam_alt