Update README.md
Working on bugs/enhancements for 2.4.3
Update 2.4.3 with all issues, to date, fixed.
Fixed typo in Attestation.time-committed.
Added DvAdapterType and DvAdapter.
Removed ElementType and Element.
Final 2.4.3 commit
Merge pull request #22 from mlhim/2_4_3

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