Adding child node/objects parsing into introspection
Adding child node/objects parsing into introspection

From the introspection dtd document, the returned xml
from introspection can return a list of interface or node elements:
http://standards.freedesktop.org/dbus/1.0/introspect.dtd

This is useful to get the names of the child objects that
can be found on the bus path

enzuguri/cloudeebus,pohly/cloudeebus,01org/cloudeebus,modulexcite/cloudeebus,monsieurmona/cloudeebus,fpaut/cloudeebus,lizardo/cloudeebus-devel,enzuguri/cloudeebus,01org/cloudeebus,lizardo/cloudeebus-devel,monsieurmona/cloudeebus,lizardo/cloudeebus-devel,pohly/cloudeebus,modulexcite/cloudeebus,enzuguri/cloudeebus,fpaut/cloudeebus,01org/cloudeebus,pohly/cloudeebus,monsieurmona/cloudeebus,modulexcite/cloudeebus,fpaut/cloudeebus