Merge pull request #34 from tomrink/master

Regression to solve spurious lines problem seen on some ATI graphics:
Remove subversion details from README.
Add missing Every Nth range constant [1587]
Merge pull request #35 from tommyjasmin/master

Add missing Every Nth range constant [1587]
Add new sig for 'resample' to allow for mode change
Merge pull request #36 from tomw2/jyresample

Add new sig for 'resample' to allow for mode change