[fix] missing formatting token on except statement
[enh] dumps exceptions statement
[enh] dumps comment
[enh] handle boolean operator
[enh] dumps comparison
[enh] dumps with
[enh] handle advanced excepts
[enh] dumps empty dict
[fix] string groups formatting too
[enh] dumps dicts
[enh] dumps ternary operator
[mod] remove useless if
[enh] handle yield
autopep8
[enh] dumps decorator
[fix] missing token for class statement
[mod] uniformise class node
[enh] dumps class
[mod] uniformise tuple node
[enh] dumps tuple