Merge pull request #3 from Astalaseven/master

Grammar changes in documentation
[fix] with_formatting argument for help() wasn't defined everywhere and passed correctly
[fix] formatting in .help() for list args on formatting nodes
[doc] rename quickstart.rst into tutorial.rst
[doc] with_formatting of .help()
[enh] implement deep for .help()
[doc] document deep option of .help()