Parallel TreeWalker v2.0.0

This release contains the following changes:

• TreeWalker has been moved under the Skraalsoft namespace
• a new, generic type argument was added to make treewalking more intuitive. Thanks @zivillian for the contribution!
• the tool became available as a package

Initial release

Introducing Parallel TreeWalker

• Generic algorithm for processing large trees in parallel.
• File system implementation for discovering a physical directory structure.