in $param->{'search'}, and return them in a hashref with the suggestions
as keys and relevance as values.
-The following variables must be defined in each filter:
- our $NAME ='Filter';
- our $VERSION = '1.0';
+B<NAME> - return a string with the name of the plugin.
+
+B<VERSION> - return a string with the version of the plugin.
These methods may be overriden:
__PACKAGE__->mk_ro_accessors(qw( name version ));
__PACKAGE__->mk_accessors(qw( params ));
-our $NAME = 'Base';
-our $VERSION = '1.0';
=head2 new