[#73527504] Change from List-type to Set-type for EPC's. This makes comparing EPCIS events much reliable (no longer dependent on order of EPC's in list)
Merge pull request #23 from nedap/master-jasper-epc_set_guarentee_identical

[#73527504] Change from List-type to Set-type for EPC's (This makes comparing EPCIS events much reliable (no longer dependent on order of EPC's in list)