adds correct use of Signer object in case of signing
adds correct use of Signer object in case of signing

open-eid/digidoc4j,open-eid/digidoc4j,keijokapp/digidoc4j,keijokapp/digidoc4j,fazz/digidoc4j,antonioaraujob/digidoc4j,antonioaraujob/digidoc4j,fazz/digidoc4j,open-eid/digidoc4j