Added Organizing Programs Without Classes and updated README

**Organizing Programs Without Classes**

DAVID UNGAR†
CRAIG CHAMBERS
BAY-WEI CHANG
URS HÖLZLE 

LISP AND SYMBOLIC COMPUTATION: An International Journal, 4, 223-242, 1991
© 1991 Kluwer Academic Publishers - Manufactured in The Netherlands

Linked from: http://cs.au.dk/~hosc/local/LaSC-4-3-pp223-242.pdf

Addresses issue #132