Improve logging and docs

Improved to better handle log file writing errors, also added some docs
and re-introduced garbage collection.
Added a new Setup tool to create Files

Create a set of Gizinta files for a source and target workspace.
New Tool

Added new tool to create a set of Gizinta files for source and target
workspaces
Garbage collection

On longer-running processes ArcCatalog was consuming a lot of memory.
Try to clean up after each dataset deleterows/append process.