Push simple API way down into the library

You can now use the run/one/all API from cursors gotten with get_cursor,
and even from cursors gotten from connections gotten with
get_connection.

Author: chadwhitacre

.travis.yml

@@ -12,6 +12,7 @@ before_script:
 script: 
   - DATABASE_URL=postgres://jrandom@localhost/test py.test tests.py -v
   - python postgres/__init__.py -v
+  - python postgres/cursors.py -v
   - python postgres/orm.py -v
 notifications:
   email: false

docs/index.rst

@@ -6,6 +6,24 @@ postgres
     :member-order: bysource
 
 
+The Context Managers
+--------------------
+
+.. automodule:: postgres.context_managers
+    :members:
+    :member-order: bysource
+
+
+.. _simple-cursors:
+
+Simple Cursors
+--------------
+
+.. automodule:: postgres.cursor
+    :members:
+    :member-order: bysource
+
+
 An Object-Relational Mapper (ORM)
 ---------------------------------