* refactor read_sfcf
* adding tests for find_corr and read_compact_file
* add necessary broken data for tests
* fixed appended mode reading
* factored out sort_names and find_files
* now also using sort_files in sfcf.py
* edited tests to fit with new structure
* added find_files function
* shifted helpfunctions to bottom of file
* removed some debug lines
* linting
* Fixed requested changes, added silent mode
* added Exception if correlator is not found by read_append_rep
* use tmp_path fixture
* linting silent keyword
* try to fix testing for a_bb
* tests: Exception testing in test_find_corr made more explicit.
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Co-authored-by: Fabian Joswig <fabian.joswig@ed.ac.uk>
