e Brokers API: 
%
% * <https://www.interactivebrokers.com/en/software/api/apiguide/java/econnect.htm eConnect>
% * <https://www.interactivebrokers.com/en/software/api/apiguide/java/accountsummary.htm reqAccountSummary>
% 
% TWS@Github:
%
% * <https://github.com/softwarespartan/TWS/blob/master/src/com/tws/AccountAttribute.java AccountAttributes>
%
% Apache Commons:
%
% * <https://commons.apache.org/proper/commons-collections/javadocs/api-3.2.1/org/apache/commons/collections/buffer/CircularFifoBuffer.html Cir