Remove exception eating from dispatch_hook.
Fix kennethreitz/requests#790
v0.13.8
Fix for #804 - Session params ommited in 0.13.8.  If default_kwarg is a list, attempt to convert to dictionary
Add a failing test for Issue #378.
Do not post None values in data.
Merge pull request #806 from rhyselsmore/develop

General Housekeeping
Merge branch 'develop' of git://github.com/weak/requests into develop
Merge remote-tracking branch 'origin/develop' into develop
Merge pull request #805 from Lukasa/develop

Remove None values from post data.
Merge pull request #800 from ayanamist/develop

Fix kennethreitz/requests#790
Cleanup #800
v0.13.9
Merge pull request #811 from lucian1900/develop

Remove exception eating from dispatch_hook.
Remove exception eating from dispatch_hook.
no .
import cchardet if available
Use logger instead of direct logging call.
Merge pull request #815 from ayanamist/develop

Use logger instead of direct logging call.
Merge pull request #814 from asapo/develop

import cchardet if available