1.9.3 (#61)

v1.9.2 (#58)

version bump to v1.9.1 (#56)

Version bump for BOM

version bump

Do not validate defined optional elements (#49)

There are elements defined in the data dictionary that are specified as
being optional. These elements have types defined in the data
dictionary. Do not validate that these type requirements are fulfilled
when the elements are present.

minor version bump

version bump to 1.6.2 (#45)