yas-nakajima

Results 3 issues of yas-nakajima

`reg_im2, footprint = astroalign.register(imdata2, imdata1)` fails with an error message of 'ValueError: Big-endian buffer not supported on little-endian compiler' when using scikit-image=0.16.2 or 0.18.1. However, it works with scikit-image=0.15.0, so...

aimexam shows a result like x y radius flux mag(zpt=2.5e+01) sky/pix fwhm(x,y) 1021.06 1935.25 5 2.5e+03 1.6e+01 14106.709 1.28,1.35 1020.9207728938632 1935.031676337716 24.0 ![download](https://user-images.githubusercontent.com/25625333/95649784-3fa89480-0b1a-11eb-82d2-7fe3d9614830.png) fwhm(x, y) = 1.28, 1.35 in STDOUT,...

fwhm(x,y) of the output of aimexam shows sigma and sigmay instead of fwhmx and fwhmy. Fixed L649 to show fwhmx and fwhmy Thanks