Change __import__ usage to to be import_module, adjust test reqs to specify >= 1.1,< 1.4, and add note about required Django version

Author: dcramer

README.rst

@@ -25,6 +25,8 @@ There is also one Django management command currently:
 
 If you have ideas for other panels please let us know.
 
+* Note: The Debug Toolbar only works on Django 1.1 and newer.
+
 Installation
 ============
 

debug_toolbar/middleware.py

@@ -9,6 +9,7 @@
 from django.http import HttpResponseRedirect
 from django.shortcuts import render_to_response
 from django.utils.encoding import smart_unicode
+from django.utils.importlib import import_module
 
 import debug_toolbar.urls
 from debug_toolbar.toolbar.loader import DebugToolbar
@@ -79,7 +80,7 @@ def process_request(self, request):
 
             urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
             if isinstance(urlconf, basestring):
-                urlconf = __import__(getattr(request, 'urlconf', settings.ROOT_URLCONF), {}, {}, ['*'])
+                urlconf = import_module(getattr(request, 'urlconf', settings.ROOT_URLCONF))
 
             if urlconf not in self._urlconfs:
                 new_urlconf = imp.new_module('urlconf')

setup.py

@@ -13,7 +13,7 @@
     license='BSD',
     packages=find_packages(exclude=['ez_setup']),
     tests_require=[
-        'django',
+        'django>=1.1,<1.4',
         'dingus',
     ],
     test_suite='debug_toolbar.runtests.runtests',