Add a custom_query parameter to the Collection class' results and queryCatalog methods, which allows for run time customization of the stored query, e.g. by request parameters.
test for custom_query
Merge branch 'thet-custom_query' into thet-custom_query-master
let the QueryField pass the custom_query parameter to the QueryBuilder. backport from archetypes.querywidget.
updated readme
declare p.a.querystring version dependency
typo