Conditionalize code to avoid "unused" warnings.
Conditionalize code to avoid "unused" warnings.

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