NewTool will change the default tool of project and disk icons automatically
in one of three ways: You can specify the default tool to use. You can use a
file requester to pick the default tool. You can have new tool automatically
pick the right default tool depending on the file type. To be used from programs
that add programs to the Tools menu (ie. ToolManager © Stefan Becker or
ToolDaemon © Nico Francois). Binary only. Author: Michael Barsoom