feat(dcc): Upgrade to v3.1.0 of the DCC

.eslintrc.json

.gitignore

.idea/codeStyles/Project.xml

.idea/vcs.xml

README.md

package-lock.json

package.json

src/AdministrativeData/AdministrativeDataType.ts

src/AdministrativeData/index.ts

src/BaseTypes/XMLBoolean.ts

src/BaseTypes/XMLDate.ts

src/BaseTypes/XMLElement.ts

src/BaseTypes/XMLList.ts

src/BaseTypes/XMLNumber.ts

src/BaseTypes/index.ts

src/Constants.ts

src/DCCDocument.ts

src/DigitalCalibrationCertificateType.ts

src/MeasurementResults/MeasurementResultListType.ts

src/MeasurementResults/MeasurementResultType.ts