Updated SevenZipSharp package
updated SmartThreadPool package
TimePeriod Library now provides it own NuGet package.
ToolBox is not "public" but will soon be replaced with "ToolKit" open-source library. However, those package definition files will be maintained via the TookKit project/repository.
Updated TPL Dataflow package
Updated the description and summary tags.
Removed batch files as these functions are now maintained in the "global" dev-tools repository.