Feature: support for 100 Continue responses
Feature: inital support for streaming request body
Re-use response body reader functions
Document streaming request body
Allow setting chunksize for request body reader
Streaming request body tests
Fix typo
Merge pull request #8 from hamishforbes/100-continue

Feature: support for 100 Continue responses
Renamed request reader function, handle errors sending body properly
Allow setting default chunksize in generator function, remove extra closures
Merge pull request #9 from hamishforbes/stream_request

Streaming request body