* Import + Export --> IO
* Move new JSON-classes go to IO folder.
* Minor filepath work, prepare for double-extensions ('.xxx.json').

* log:
** Move logFile routine along with he others,
** make log routines from funcs -->subs,
** stop unecessary anymore double-logging when sending to dlgbox.
* Always ensure /Header/BodySchema exists, to hint user to use it.
* Move schema-help routine to jsno-utils.

* Always write to file-log (even when sent to msg-box).
* file_v3: Completely hide close() method, leave Dispose() available only.

* Bump ver 2.0.1-pre0-->pre1.
* Start logging stack-traces in the logs.
* REVERT null-setting trick for WorkingDir json-value.
* FIX SemanticVersion prerelease comparison.

* Simplify path-settings of configs.

AMIDST Switch Config-setings to JSON, separate config/ folder (recreated on startup) from Declaration/ one

* cSettings: objectify IO of settings, use try/catch for its error handling.
* Use json-schema to check settings.
* Open editor for text-files with System.Diagnostics.Process.Start instead of Shell and use Path.
* Utility routines for formatting msgs, joining file-paths.
* Add reference to Json.net dll.

* ATTEMPT to FIX Config read/write to proceed even on errors:
** fConfigfStore() produces invalid settings.txt with empty lines.
* Move UI code outside config-saving routine  `fAusgConf()` into respective window `CSE_config`.
* Set assembly's desc.
* Backtrack ver fro check by TUG: 2.0.1-beta0-->2.0.1-pre0

CSE status: after Final report, before end delivery