pipの更新

　いまどきの言語はパッケージ管理があるのね。
MacOSX Mavericks(10.9)にhomebrewを使ってDjangoの開発環境を整える - Qiita

ログ：
$ pip install --upgrade setuptools
Downloading/unpacking setuptools from https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.1.tar.gz#md5=65bb270fbae373c26a2fa890ad907818
Downloading setuptools-1.4.1.tar.gz (796kB): 796kB downloaded
Running setup.py egg_info for package setuptools

Installing collected packages: setuptools
Found existing installation: setuptools 1.3.2
Uninstalling setuptools:
Successfully uninstalled setuptools
Running setup.py install for setuptools

Installing easy_install script to /usr/local/bin
Installing easy_install-2.7 script to /usr/local/bin
Successfully installed setuptools
Cleaning up...
$ pip install --upgrade pip
Requirement already up-to-date: pip in /usr/local/lib/python2.7/site-packages/pip-1.4.1-py2.7.egg
Cleaning up...
$