code: public static String toKeyValuePair (final String key, final String value) {
          return key + TextKeyword.EQUALS + value;
      }
docs: Joins a <i>key</i> and a <i>value</i> {@link String} to a <i>key=value</i> pair as required by iSCSI text
  parameter negotiation and returns the result.
  
  @param key the <i>key</i> part
  @param value the <i>value</i> part
  @return the concatenated <i>key=value</i> pair