Fix typo in doctest
Fix typo in doc string

uncertaintys -> uncertainties
Add test for array coordinate length (issue #1761)
Add len() to coordinates

Closes #1761
Add tests of len() for scalar coordinate and length 1 coordinate
Add changelog entry for 1761
Correct the change log message
Fix for #1942.  Added pickling test class for coordinates as well
updated Longitude and Quantity to properly use super().
Pickle the whole Quantity __dict__
Whitespace
fix for warning that says "automodapi" when it should be "automodsumm"
Added "automodapi_writereprocessed" option to automodapi
added newline to end of file
Merge branch 'unit/pickling-quantities' of https://github.com/mdboom/astropy into mdboom-unit/pickling-quantities
removed unused unit
Expanded spectral() equivalencies to include angular wave number.
Added note to change log.
Fixed attribute error in astropy.wcs.WCS.wcs added a test to check the pix2world method
Fix did_you_mean so it's properly case-insensitive