updated tables from Unicode 6.3.0
tweaks and fixes for test vectors from Unicode 6.3.0
new version 2.099_20131225
Merge commit 'e3203e90c15b6fa188964c02a425eb681dd10f6a'

Conflicts:
	Changes
preserve case in pure-ASCII labels (bypass en-/decoding)
tweaks and cleanup
new version 2.099_20131226