Clean up
Use `urlsplit` instead of `urlparse`.

Closes #118.
Added Python 3.3 to tox and travis conf.
Compatibility with requests v1.0.4 (requests URL params).
Python 3.3 fixes.
Fixed request/response session cookies.

Closes #113.
Fixing tests for Travis.
Fixing tests for Travis.
Fixing tests for Travis.
Session name escaping.
Simplified stored session cookie data.