Pipeline-csv

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+ Add Orientation.from_degree helper

* Fix new lines in saved csv file

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+ Library work with the results of analysis of in-line flaw detection data in the form of a CSV file.

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- Fix error in Defect.to_right_weld property if defect has zero length.

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- Orientation in minutes does not exceed 720 minutes.

+ File class method `at_folder`.

+ `is_marker` property for Row class.

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+ Added method Tube.features return defects and lineobjects of the pipe, arranged by distance.

* Parameter `warns` in `File.get_tubes` method made optional.

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+ Add Python 3.11 support to autotests.

+ Add Row.min_diam amd Tube.min_diam optional properties as pipe minimal diameter.

+ Add Row.obj_id optional property.