Version 1.2 - 'source' parameter is now optional, minor bug fixes and improvements
Usage (simplest scenario):
Sitecore.Courier.Runner.exe -t C:\Your\Folder\With\CodeAndItems -o C:\GeneratedPackage.update
Usage (simplest scenario):
Sitecore.Courier.Runner.exe -t C:\Your\Folder\With\CodeAndItems -o C:\GeneratedPackage.update