[mod] move code in the good file
[mod] start to uniformise tuple ast
[mod] lot of modifications arround to uniformise tuple and comma AST
[mod] remove useless import
[enh] start to parse testlife_safe
[enh] finish to parse testlist_safe
[mod] give a correct name to the test file
[mod] move some grammar def in a better place
[enh] parse lambda without arguments
[enh] parse lambdas with arguments \o/
[enh] start to handle old_lambdef
[enh] handle old_lambdef with arguments
[doc] update progress