RELEASE: Bump version 0.2.3.
RELEASE: Bump version 0.2.3.

- Declare dependencies more sanely. (fix issue npm-shrinkwrap & request)

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