get/set accessors should now work, e.g.:

get/set accessors should now work, e.g.:
SetNodeArch(hostname,'x86_64')
GetNodeArch(node_id)
==
The set of accessors is split into 2 python files:
(*) Accessors/Accessors_standard.py
where the tags used by the core software should be defined
(*) Accessors/Accessors_site.py
where local admins can add custom accessors (see .in for an example)
this is not overwritten by upgrades of myplc-native (for chroot ?)
==
I have only defined G/SetNodeArch for now
The template for site accessors shows how to define G/SetInterfaceVlan