Limit the number of gathered candidates to 100 to avoid the construction of a huge set of candidates (for instance if the filter is something like ObjectClass=person with 1 million entries)

git-svn-id: https://svn.apache.org/repos/asf/directory/apacheds/trunk@1509945 13f79535-47bb-0310-9956-ffa450edef68
Small improvement

git-svn-id: https://svn.apache.org/repos/asf/directory/apacheds/trunk@1509946 13f79535-47bb-0310-9956-ffa450edef68