Add support for <long> nodes (thank cmandlbaur)

Add support for <long> nodes (thank cmandlbaur)

fix strong name issue

- switch to circle-ci

- assembly has now a strong name
- upgrade compiler to .net 3.1 as 2.1 is out of support (still .netstandard2.0 compliant)

test

Update the lock to lock on non-public objects only (#7).

Fix the structure of a fault response, as described in the spec http:…

…//xmlrpc.scripting.com/spec.html

Update .gitlab-ci.yml

Fix the structure of a fault response, as described in the spec http:…

…//xmlrpc.scripting.com/spec.html

Fix the structure of a fault response, as described in the spec http:…

…//xmlrpc.scripting.com/spec.html