every
nativeSome = ArrayProto.some
nativeIndexOf = ArrayProto.indexOf
nativeLastIndexOf = ArrayProto.lastIndexOf
nativeIsArray = Array.isArray
nativeKeys = Object.keys


# Create a safe reference to the Underscore object for use below.
_ = (obj) -> new wrapper(obj)


# Export the Underscore object for **CommonJS**.
if typeof(exports) != 'undefined' then exports._ = _


# Export Underscore to global scope.
root._ = _


# Current version.
_.VERSION = '1.1.0'


# Collection Functions
# --------------------

# 