add missing node_type for iter_nodes

Update matplotlib version

Remove old links

add certificate verification flag

supported versions update

Merge pull request #10 from duhanmin/patch-1

The loss of '-i'

Update supported versions list

don't fail when trying the extract catalog name

Update extract.py

Update python version on Docker file

handle missing values when parsing table name

update numpy version

use username-request-header in README example

remove old installation video