Imio.pyutils

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- Added `utils.listify` that will make sure a given value
is always returned as list-like iterable.
[gbastien]
- Improved `system.get_git_tag` with new parameter to get last tag from all branches
[sgeulette]
- Added `utils.radix_like_starting_1` to get list of positional numbers following a given base but starting with 1
[sgeulette]
- Added `utils.letters_sequence` to get a letters string corresponding to nth position
[sgeulette]

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- Added `system.read_recursive_dir` to get files recursively (with relative or full name).
[sgeulette]

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- Improved `utils.all_of_dict_values` to include optionally a label.
[sgeulette]
- Added `setup_logger` to modify a given logger independently
[sgeulette]
- Added `full_path` to prefix filename with path if necessary
[sgeulette]

-----------------

- Added `utils.one_of_dict_values` that gives the first non empty value of a list of keys.
[sgeulette]
- Added `utils.all_of_dict_values` that returns a not empty values list from a dict following a keys list
[sgeulette]

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- Added `utils.sort_by_indexes` that will sort a list of values
depending on a list of indexes.
[gbastien]

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- Added `stop` to print error and exit.
[sgeulette]