[fix] print should return an empty list by default
[fix] TO BE TESTED bugs in nodes_rendering_order
[fix] uniformise comment node structure TO BE TESTED
[fix] broken test for comment since uniformisation of strcture
[fix] make tests pass for now uniformisation of print node
[mod] remove now useless key entry
[fix] list declared as a key in nodes_rendering_order
Revert "[fix] list declared as a key in nodes_rendering_order"

This reverts commit 8a6fbd2fb96a193184fa18de211d6b313b888648.

The bug is somewhere else, this entry is fine.
[mod] avoid overloading a buildin
[enh] test consistancy of comments
Merge pull request #32 from Psycojoker/finder_bugs

Finder bugs