Issue warning instead of an error.
Added `test_formula_terms_ap_missing_coords`.
SSL certificate verification workaround.
Merge pull request #1498 from rhattersley/ssl

SSL certificate verification workaround.
Added lazy nc data saving.
Updated travis-ci dependency for biggus.
Only streamed the save through biggus when we have lazy data.
Fixed failing Saver test, updated doc.
Merge pull request #1505 from pelson/lazy_save

Lazy save
Merge pull request #1485 from ocefpaf/no_error4coordfac

Issue warning instead of an error.
Allow a points only intersection on coordinates with bounds
Changes to be pep8 compliant + typo
added it as a new method
Add default parameter and test
Fix non fast-forward