[CHANGE] Create a verbose debug mode

[steffenfritz]

Is your feature request related to a problem? Please describe.
Triggered by #112 but is useful in general.

Describe the solution you'd like
An additional debug flag should write information to a debug file. Speed is not relevant using this mode.

Relevant information, but not limited to

1. Host information

• Operating system and platform
• Memory and disk space
• Executing user

2. FileTrove information

• Version and build

3. Input lists

• file list during CreateFileList(*inDir)
• dir list during CreateFileList(*inDir)

Describe alternatives you've considered
none.

[ross-spencer]

This is a great idea. I wonder if it could also include logging for the various locations at start up that it is looking for siegfried definitions and the nsrl location, etc.?

[steffenfritz]

Yes, definitely. Let's link another change into that #50