avoid trying to step by zero in small cubes
update docs, removing WCSPath references
remove another unused width
allow specification of path via list of tuples
improve docstring
make width usage agree with docstring: needs to be converted to unitless
add a fix to the WCS slicer
no longer allow width specification
Use astropy:package-template affiliated package infrastructure
Merge pull request #40 from astrofrog/use-astropy-helpers

Use astropy:package-template affiliated package infrastructure
Merge pull request #39 from keflavich/gui_minorfixes

Avoid trying to step by zero in small cubes
Merge pull request #33 from keflavich/minorfix

Allow specification of path as list-of-tuples + width
Moved some of the matplotlib code to make patches for the path to Path.to_patches()
Removed unused code and fix Python 3 failures, and added a basic GUI test
Try and fix DISPLAY on Travis
Fix use of np.pad for old Numpy versions
Merge pull request #41 from astrofrog/gui-work

More GUI work
update link
Don’t use Qt file dialog
Merge remote-tracking branch 'keflavich/docs_alittle'