Implemented pix_cen and pix_size
faster nanmedian with bottleneck
add check / fix for endianness with bottleneck
Merge pull request #42 from astrofrog/pix-scales

Implemented pix_cen and pix_size
fix kwd
fix endianness issues
Merge pull request #46 from keflavich/nanmedian

Faster nanmedians etc. using bottleneck optionally
Thresholds for lazy masks, bugfixes
Speedups
add deepcopy, wcs option for some things
add test for read/write roundtripping
Merge cube and slicewise moment strategy
Moment refactoring and testing
fix some merge conflicts
Fix broadcasting bug
docstrings and small tweaks
Fix rebase conflict
Merge pull request #52 from ChrisBeaumont/moments

Moment refactor
Fix mask slicing for several classes
Merge pull request #56 from astrofrog/fix-mask-slicing

Fix mask slicing for several classes