Allow the panel to be scrolled when the screen is shorter than it's height.
Show all HTTP headers in the headers panel.

Show a relevant subset of the WSGI environ separately.

Fix #62.
Add response headers to the Headers panel.
Add a checkbox to toggle panels from the frontend.

Fix #35.
Sort items in request vars panel.

Fix #340.
Fix support for non-ASCII keys in sessions.
Make help text a bit more helpful.
Get rid of custom test runner.

Refs #426.
Document `make example`.
Fix Travis through trial and error (attempt 1).
Removed redundant settings manipulations in tests.
Remove dummy test_pgsql settings file.

It's rendundant with tests/settings.py since the latter was extracted
from runtests.py.
Don't pin dev tools versions.

We'll usually want the most recent version of these tools. They're only
used in development anyway.
Remove unused file.
Split tests across several modules.

Fix #426.
Merging upstream.