Updated documentation for AbstractTable.colum_names ticket #1461
Updated documentation for AbstractTable.colum_names ticket #1461

lsaffre/lino,lino-framework/lino,khchine5/lino,khchine5/lino,lino-framework/lino,lsaffre/lino,lsaffre/lino,lino-framework/lino,lsaffre/lino,lino-framework/lino,lino-framework/lino,khchine5/lino,khchine5/lino,lsaffre/lino,khchine5/lino