reverse order of operands
improve logic
Refactor include_columns and exclude_columns
remove n_data_cols
Make more use of colnames property
correct inverse and start a new Travis build.
Make q[:,np.newaxis] work by using __quantity_view__ for __getitem__
Add setter property for table mask
Moved astropy.nddata.convolution to astropy.convolution
Moved astropy.nddata.convolution documentation to astropy.convolution
Updated documentation
Updated imports
Fixed imports
Fixed bug that occurred when using data/kernel as lists
Better import of compiled extensions
Added entries to changelog
Support Unicode "MINUS SIGN" (U2212) in Angle parser.
Output Unicode MINUS SIGN in Unit unicode formatter
For initialisation from list of quantities, default to unit of first
Enforce kernels being odd (otherwise x_size and y_size doesn't match actual kernel dimensions), and adjusted tests.