nu-cli repl get_command_finished_marker() does not need to be pub (#1… #69

Job	Run time
std-lib-and-python-virtualenv (ubuntu-20.04, py)	3m 31s
plugins (windows-latest)	5m 33s
std-lib-and-python-virtualenv (macos-latest, py)	6m 28s
fmt-clippy (windows-latest, default)	6m 4s
plugins (macos-latest)	4m 50s
std-lib-and-python-virtualenv (windows-latest, py)	9m 21s
tests (windows-latest, default)	11m 7s
fmt-clippy (windows-latest, extra)	7m 33s
plugins (ubuntu-20.04)	2m 6s
tests (macos-latest, default)	14m 19s
fmt-clippy (macos-latest, default)	7m 37s
tests (ubuntu-20.04, default)	5m 26s
fmt-clippy (macos-latest, extra)	7m 41s
tests (ubuntu-20.04, dataframe)	6m 17s
fmt-clippy (ubuntu-20.04, default)	2m 33s
tests (ubuntu-20.04, extra)	5m 21s
fmt-clippy (ubuntu-20.04, dataframe)	2m 56s
fmt-clippy (ubuntu-20.04, extra)	2m 32s
	1h 51m 15s

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