Added support for UR (parsed as java.net.URI), OL and UC

[KarlSjostrand]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 110

• 12 of 23 (52.17%) changed or added relevant lines in 3 files are covered.
• 11 unchanged lines in 8 files lost coverage.
• Overall coverage decreased (-0.6%) to 91.672%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/scala/se/nimsa/dicom/data/Value.scala	5	16	31.25%

Files with Coverage Reduction	New Missed Lines	%
src/main/scala/se/nimsa/dicom/streams/ElementFlows.scala	1	89.58%
src/main/scala/se/nimsa/dicom/data/DicomParts.scala	1	75.0%
src/main/scala/se/nimsa/dicom/data/Elements.scala	1	93.21%
src/main/scala/se/nimsa/dicom/streams/ParseFlow.scala	1	98.47%
src/main/scala/se/nimsa/dicom/streams/CollectFlow.scala	1	87.5%
src/main/scala/se/nimsa/dicom/data/Value.scala	2	85.47%
src/main/scala/se/nimsa/dicom/streams/ValidateFlow.scala	2	91.3%
src/main/scala/se/nimsa/dicom/streams/DicomFlows.scala	2	90.61%

Totals
Change from base Build 109:	-0.6%
Covered Lines:	1442
Relevant Lines:	1573

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💛 - Coveralls

[fredrik-exini]

LGTM