Fixed error message typos in object.pop()
Added object.type(obj)
Update deps and gulpfile.js
Remove copy's dependency on is
Protect copy from objects which define a "hasOwnProperty" property
copy.copy() and copy.deepCopy() now handle primitive wrapper objects and copy over any custom properties added to them
0.3.0

* `copy.copy()` and `copy.deepCopy()` now handle primitive wrapper objects
  and copy over any custom properties added to them
* Added `object.type()`