Correction on version info+file versions

Restored output directories

Change Nuspec back to original

 (changed by pull request)

Merge pull request dib0#4 from nkm8/scratch

Upgrade nHapi to latest version; add extension methods for new HL7 ve…

Update to latest NHapi and bug fixes with that newest version

Bug fix for ACK creation and added custom implementations of ACK mess…

…ages for V2.1 and V2.2

Added multiple HL7 version

Including bug fixes and documentation

Fix on last change