trivial: Remove an unused import and add a little whitespace

Signed-off-by: David Aguilar <davvid@gmail.com>
jsonpickle_test.py: Rename functions to avoid name conflicts

We were masking the name of an earlier function.  Rename it.

Signed-off-by: David Aguilar <davvid@gmail.com>
unpickler: Properly handle datetime objects inside dicts

Register datetime (and other "repr" objects) when creating them
so that they can be properly referenced.

Add a test case to cover this usage.

Closes #22

Reported-by: Denis Orlikhin <qbikk@ya.ru>
Signed-off-by: David Aguilar <davvid@gmail.com>
Merge branch 'repr-enhancements'

* repr-enhancements:
  unpickler: Properly handle datetime objects inside dicts
  jsonpickle_test.py: Rename functions to avoid name conflicts
  trivial: Remove an unused import and add a little whitespace

Conflicts:
	jsonpickle/unpickler.py
	tests/jsonpickle_test.py

Signed-off-by: David Aguilar <davvid@gmail.com>