compatibility with java.math.BigInteger
Merge pull request #12 from Yaffle/patch-1

compatibility with java.math.BigInteger
Merge branch 'master' of github.com:peterolson/BigInteger.js
Added support for different bases (issue #6)
Documentation for additions in #12
Fix for issue #13
Allow capital E in exponent
fix for bigInt("-1", 16)
Merge pull request #15 from Yaffle/patch-2

fix for bigInt("-1", 16)
Added test for pull request #15
update npm package
Merge branch 'gh-pages'