jonson

Initialize thread local value on each thread

3

Attributes on the thread local `metadata` variable were being initialized at import time by the calling thread. All access from other threads were result in errors like `AttributeError: '_thread._local' object...

I've sucked up a few changes from the android-async-http project (https://github.com/loopj/android-async-http). Namely, support for request params, I find the standard httpclient params cumbersome to work with. Also, they've added multipart...