Fixed issue with uninitialised va_list causing a runtime error in VS2013 (needs testing on OSX/Linux)
Fixed issue with uninitialised va_list causing a runtime error in VS2013 (needs testing on OSX/Linux)

OxfordSKA/OSKAR,OxfordSKA/OSKAR,OxfordSKA/OSKAR,OxfordSKA/OSKAR