Remove the allowed classes in hook_disable, not hook_uninstall.  Otherwise it's impossible to uninstall the module when entity_lister is not enabled.

determine field vs property by looking up the value in an array of fields rather than properties; shorten the README

Sorting improvements.  Eliminate 'sort by' config. Support sorting by fields regardless of whether they have a value column.

changes to keep pace with entity_lister dev branch; override the alterQuery and alterEntities methods; move safeLoop from entity_lister to entity_list_field