NEW: Expose `format.escapeSpecialChars` through the instance of `Client`.
NEW: Expose `format.escapeSpecialChars` through the instance of `Client`.

yanxi-com/solr-node-client,lbdremy/solr-node-client,luketaverne/solr-node-client,godong9/solr-node-client,Bangsheng/solr-node-client,CondeNast/solr-node-client,nicolasembleton/solr-node-client,kfitzgerald/solr-node-client,lbdremy/solr-node-client