Python-sotools

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- Fix resolving using LD_LIBRARY_PATH working for first invokation only

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- Added conditional flag on linker.resolve to choose for paths to be resolved

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- Revamped scripts
- Remove erroneous search of the current directory when LD_LIBRARY_PATH is unset
- Switch to pyproject.toml

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- Added Flags class to keep track of available values in DL cache entries
- Added flag filtering when listing cache entries
- Added hwcap resolution when listing cache entries
- Introduced search_cache method to avoid loss of information when casting to dict
- Created dl_cache module to house all rtld cache operations

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- Added dynamic cache parsing
- Added Library.from_path to generate a Library object from a given path