enzo/Fis-SearchUtility: Library with the functions to search from or filter data ranging from a single to a set of criteria. @ fc8c7177317979fdd8a19a0372fd4b2841fc097b

FAMBL fc8c717731 Added more type control and fixes.		vor 1 Jahr
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dataprep.service.ts	f1c54bf6f6 minor fix	vor 1 Jahr
query.service.ts	fc8c717731 Added more type control and fixes.	vor 1 Jahr