[mod] update TODO
[enh] implement comma_proxy_list.extend
[mod] add a dirty badly written zsh script to test if the current distribution is working as expected
[fix] I only want NodeLists
[enh] start to put CommaProxyList by default on ListNode.value
[mod] fix comma proxy list tests
[mod] update TODO
[mod] trash .append_value
[doc] remove references to dead append_value
[doc] update CHANGELOG
[enh] add CommaProxyList to TupleNode.value
[enh] add CommaProxyList to SetNode.value