Merge pull request #66 from alan-turing-institute/65-refactor-processor #86

Job	Run time
Test on ubuntu-latest with Python 3.11	1m 41s
Test on windows-latest with Python 3.11	2m 52s
Test on macos-latest with Python 3.12	1m 59s
Test on macos-latest with Python 3.11	1m 59s
Test on ubuntu-latest with Python 3.12	2m 43s
Test on windows-latest with Python 3.12	3m 3s
	14m 17s

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