Fix to prevent unnecessary rebuild of pyke rules.
Merge pull request #564 from esc24/rulesgeneration_fix

Fix to prevent unnecessary rebuild of pyke rules.
Corrected rendering of code examples.
Merge pull request #568 from ajdawson/cartography-doc-examples

Corrected rendering of code examples.
NF - remove 1d restriction from cosine latitude weights
Merge pull request #571 from ajdawson/cosine-weights-2d

NF - Remove 1d restriction from cosine latitude weights
PEP8 fixes for cartography module
Merge pull request #575 from ajdawson/cartography-pep8

PEP8 fixes for cartography module
WIP: NumPy dtypes for alternative calendars.