Build linux-debian10 (Jan 23, 2022, 10:48:08 AM)

1. more work to make code more testable, don't pass networking when all you need is dir.  use path not objects (details / githubweb)
2. A couple of renames to make terms make more sense (details / githubweb)
3. move text() into header, it's trivial (details / githubweb)
4. Start to use NetMailFile vs. read_packet (details / githubweb)
5. use fs::path in WFndFiles::open (details / githubweb)
6. Fix issue of pause missing in chains.json. (details / githubweb)

Started by upstream project wwiv build number 3600
originally caused by:

• Started by an SCM change

• refs/remotes/origin/main

• projectroot.networkf.NetworkFTest.Smoke
• projectroot.sdk.ChainsTest.ExecMode_Operator
• projectroot.sdk.DizTest.BlockChars