Changed resolveDataType() to resolveBaseDataType() and re-added resolveDataType() to return resolveBaseDataType() by default (TODO: resolve reduction in resolveDataType())

Enable multiple annotations (textual syntax workaround was added to support the serialization of multiple annotations)

+ corresponding formatter adjustments

* TODO: introduce a variable for manual triggering without the need to commit and roll-back

 building blocks for json generation, translation, and validation

* updated upstream api to latest version