Using _toString.
Ensuring that Array methods properly do and do not box the provided primitive context, depending on strict mode.

Fixes #233.
Object.create(null) doesn't fail since #132
Merge pull request #235 from tgriesser/docs-fix

Object.create(null) doesn't fail since #132
Use the same UMD in es5-sham as in es5-shim. Fixes #237.
v3.2.0
Fixing Function#apply in ES3 browsers