Big cleanup.
Big cleanup.

jtobey/javascript-bignum,jtobey/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,angeni8/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,angeni8/javascript-bignum