make sure fill_values is always instance attribute, never class attribute
typo in documentation
add test for fill_values=None to restart Travis
typos in docs corrected
Raise TypeError instead of AssertionError
Removed all asserts from modeling and raise errors instead
fixed test failure
Change some TypeError to ValueError
Removing unnecessary lines
Merge pull request #2439 from mdboom/wcs/fix-crash

Change allocation in WCS.sub.
Merge pull request #2425 from mdboom/table/auto-colname-warning

Fix config-related warning
Merge pull request #2431 from bsipocz/fixing_failing_automodapi_test

Fixing doctest failing in construct_table.rst
Merge pull request #2426 from mdboom/config/fixups-post-APE3

Remote test failures due to config changes
Merge pull request #2424 from hamogu/fillmasked

Add a way for io.ascii to set how masked values appear on output
Merge pull request #2103 from jbwhit/feature-comoving-volumeelement-addition

Added dV_comoving function and tests.
Merge pull request #2445 from nden/wcs-naxis

fix for deprecated self.naxis1/2
Improve error handling for bad column select
Merge pull request #2020 from mdboom/misc/jquery-extern

Change how jquery.js and jquery.dataTables.js dependencies are handled.
Merge pull request #2003 from embray/issue-2003

units: quantity bug with adding units to an array view?
Merge pull request #2440 from mdboom/wcs/memory-leaks

Fix memory leaks in the wcs bindings