Updated HL7
Merge remote-tracking branch 'origin/master'

Conflicts:
	HL7Lib/HL7Lib/bin/Debug/HL7Lib.dll
	HL7Lib/HL7Lib/bin/Debug/HL7Lib.pdb
	HL7Lib/HL7Lib/obj/Debug/HL7Lib.dll
	HL7Lib/HL7Lib/obj/Debug/HL7Lib.pdb