Update setup and README, version v0.0.5

Author: Ryan John Peck

Diff for: README.md

@@ -6,7 +6,7 @@ Status](https://coveralls.io/repos/RyPeck/python-ipgroup/badge.png)](https://cov
 
 ## Usage
 
-~~~
+```
 >>> import ipgroup
 >>> from pprint import pprint
 >>> ips = ["129.21.3.17", "129.21.206.5", 
@@ -34,4 +34,4 @@ Status](https://coveralls.io/repos/RyPeck/python-ipgroup/badge.png)](https://cov
 ...                                  "1.0.0.0/16",
 >>> total
 268435456
-~~~
+```

Diff for: ipgroup.py

@@ -30,7 +30,7 @@
 from itertools import combinations
 
 
-__version__ = '0.0.4'
+__version__ = '0.0.5'
 
 
 class _BaseGroup:

Diff for: setup.py

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from distutils.core import setup
+from setuptools import setup
 from os import path
 
 import ipgroup
@@ -24,7 +24,6 @@
 with open(path.join(this_directory, "README.md"), encoding="utf-8") as f:
     long_description = f.read()
 
-
 setup(
     name="ipgroup",
     maintainer="Ryan Peck",