v2.3.0: task index and full methods reference - a true quick-lookup r… …eference
v2.1.0: English only, quick tables in every notebook, extended index
v1.2.0: reorganize into 13 parts, add 16 notebooks and an A-Z index
v1.1.0: add comprehensions (part 11) and itertools (part 12)
v1.0.0: complete Python reference (10 parts, 58 notebooks + unified K… …aggle notebook)