Changelog

v0.5.1

Fix prototype pollution vulnerability (thanks to @mwakerman for the PR)
Avoid using deprecated Buffer API (thanks to @ChALkeR for the PR)

v0.5.0

Auto-testing provided by Travis CI;
Support older Node.JS versions (v0.11.x and v0.10.x);
Removed tests files from npm package.

v0.4.2

Fix for null as an argument.

v0.4.1

Removed test code from npm package (see pull request #21);
Increased minimal version of Node from 0.4.0 to 0.12.0 (because can't run tests on lesser version anyway).

v0.4.0

WARNING! Broken backward compatibility with v0.3.x;
Fixed bug with extending arrays instead of cloning;
Deep cloning for arrays;
Check for own property;
Fixed some documentation issues;
Strict JS mode.