Added a minimal GraphML example
Added a minimal GraphML example

joshsh/extendo,joshsh/extendo,joshsh/smsn,joshsh/smsn,joshsh/smsn,joshsh/extendo,joshsh/smsn,joshsh/smsn,joshsh/extendo,joshsh/smsn,joshsh/extendo,joshsh/smsn,joshsh/extendo,joshsh/extendo