See merge request !3

See merge request !2

- fix indentation

See merge request !1

-help file updated
-some cleanup in ebulk script:
 - sanitize data-lake-url
 - rename variables

- download chunk size relies on remote file chunk size
- clearer log messages

- add to report method saves new large-hash parameter
- delete from report updated
- split download updated
- resume operation (both full and split files) updated
- warn conflicts updated
- update dataset operation updated
- rename operation (download and ingest)
- download discard changes updated
- stage feature works properly (add/remove local changes)
- ingestion reportUpToDate updated
- split ingestion updated
- dataset utils remove hardcoded url
- report up to date method updated

- see #1

This reverts commit 469eb486.
http requests issue (see #1) solved