enzo/Fis-SearchUtility: Library with the functions to search from or filter data ranging from a single to a set of criteria. @ f1c54bf6f6b6e68b30fb1b4b603a19888ed570e9

Enzo f1c54bf6f6 minor fix		2 vuotta sitten
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dataprep.service.ts	f1c54bf6f6 minor fix	2 vuotta sitten
query.service.ts	f1c54bf6f6 minor fix	2 vuotta sitten