Add a release script.

release.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+import re
+import ast
+import subprocess
+
+def version():
+    _version_re = re.compile(r'__version__\s+=\s+(.*)')
+
+    with open('pgcli/__init__.py', 'rb') as f:
+        version = str(ast.literal_eval(_version_re.search(
+            f.read().decode('utf-8')).group(1)))
+
+    return version
+
+def create_git_tag(tag_name):
+    cmd = ['git', 'tag', tag_name]
+    print ' '.join(cmd)
+    subprocess.check_output(cmd)
+
+def register_with_pypi():
+    cmd = ['python', 'setup.py', 'register']
+    print ' '.join(cmd)
+    subprocess.check_output(cmd)
+
+def create_source_tarball():
+    cmd = ['python', 'setup.py', 'sdist']
+    print ' '.join(cmd)
+    subprocess.check_output(cmd)
+
+if __name__ == '__main__':
+    ver = version()
+    print ver
+    create_git_tag('v%s' % ver)
+    register_with_pypi()
+    create_source_tarball()