Add constructors for stdout and stderr sinks
Add constructors for stdout and stderr sinks

erichoracek/Carthage,abbeycode/Carthage,flovilmart/Carthage,abbeycode/Carthage,flovilmart/Carthage,erichoracek/Carthage,erichoracek/Carthage,erichoracek/Carthage,flovilmart/Carthage,abbeycode/Carthage,abbeycode/Carthage