Upgrade to PyMongo 3, bump our version to 0.8

setup.py

@@ -3,7 +3,7 @@
 
 setuptools.setup(
     name="Mongothon",
-    version="0.7.20",
+    version="0.8.0",
     author="Tom Leach",
     author_email="[email protected]",
     description="A MongoDB object-document mapping layer for Python",
@@ -15,7 +15,7 @@
                      "API for Python, loosely based on the awesome " +
                      "mongoose.js library.",
     install_requires=[
-        'pymongo>=2.5.0, <3.0.0', 'inflection==0.2.0', 'schemer>=0.2.0, <0.3.0'
+        'pymongo>=3.0.0, <4.0.0', 'inflection==0.2.0', 'schemer>=0.2.0, <0.3.0'
     ],
     tests_require=['mock', 'nose']
     )

tests/mongothon/pymongo_integration_test.py

@@ -1,5 +1,5 @@
 import os
-from pymongo.connection import Connection
+from pymongo import MongoClient
 import unittest
 from mongothon import create_model
 from sample import blog_post_schema, valid_doc, expected_db_doc
@@ -10,7 +10,7 @@
 
 
 def get_db(*args, **kwargs):
-    return Connection(host, port, *args, **kwargs).mongothon_test
+    return MongoClient(host, port, *args, **kwargs).mongothon_test
 
 blog_post_collection = get_db().blog_post
 BlogPost = create_model(blog_post_schema, blog_post_collection)