feat(core): Add pretty-printing of ByteString in Base64
feat(core): Add pretty-printing of ByteString in Base64

StalderT/open62541,open62541/open62541,StalderT/open62541,jpfr/open62541,JGrothoff/open62541,open62541/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,open62541/open62541,jpfr/open62541,StalderT/open62541,StalderT/open62541,JGrothoff/open62541,JGrothoff/open62541,jpfr/open62541