add all opc-ua status codes
Generate correct status code in addressespace. Throw more explicit exceptions in case of error in high level Node
Update README.md
small cleanup
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
Merge branch 'master' of github.com:oroulet/freeopcua
change status code macro to something that matches other sdk
small fixes
theoretical implementation of DeleteSubscriptions on client and server side, not tested
moved check_status to status_codes.h
forgot source file
Merge pull request #5 from oroulet/master

update StatusCode. Added DeleteSubscription request.