code: public void insert(String namespace, String set, Key key, List<Bin> bins) {
  		insert(namespace, set, key, bins, 0);
  	}
docs: inserts a record. If the record exists, and exception will be thrown.
  
  @param namespace Namespace to store the record
  @param set	   Set to store the record
  @param key	   Key of the record
  @param bins	  A list of Bins to insert