(GH-1621) Add StartProcess overload returning redirected error output
(GH-1621) Add StartProcess overload returning redirected error output

vlesierse/cake,ferventcoder/cake,robgha01/cake,Julien-Mialon/cake,ferventcoder/cake,mholo65/cake,vlesierse/cake,gep13/cake,adamhathcock/cake,patriksvensson/cake,adamhathcock/cake,patriksvensson/cake,Sam13/cake,thomaslevesque/cake,cake-build/cake,Julien-Mialon/cake,robgha01/cake,mholo65/cake,thomaslevesque/cake,gep13/cake,devlead/cake,devlead/cake,Sam13/cake,daveaglick/cake,cake-build/cake,daveaglick/cake