npm_and_yarn in /python/pminit/pythonmonkey for bn.js, bn.js, elliptic, pbkdf2, pbkdf2, sha.js - Update #1257499524

npm_and_yarn in /python/pminit/pythonmonkey for bn.js, bn.js, elliptic, pbkdf2, pbkdf2, sha.js - Update #1257499524 #138