iOS / asi-http-request

…er than forcing the user to encode the key themselves or add a '/' on the front
My thanks to Tom Andersen for his report!

Retry the request if we encounter a 'Socket is not connected' error - but can't figure out how to write a server to test this after much experimentation
Add more tests for persistent connections

…at didn't change their request method until the very last minute

…mean queueFinished will be called when a request fails
See also lighthouse ticket: http://allseeing-i.lighthouseapp.com/projects/27881/tickets/43

… when they are explicitly turned off, or when we've got http1.0 and no connection:keep-alive header
canUsePersistentConnection -> connectionCanBeReused, and add public accessor
Add test for connection: close

…tConnection or we get a connection:close header
Stop relying on receiving a keep-alive header for persistent connections

…ays read cookies from the shared HTTP cookie store

Tweak locking behaviour for session credentials

Fix a potential lock issue with redirected requests

… rather than the last Closes #18
Copied requests now remember redirect behaviour
Fix typos in comments

Conflicts:
	Classes/ASIHTTPRequest.m

…o a new function for easier subclassing

Authenticate method now returns an NSError if something goes wrong
Change lock mediating access to credentials to recursive

Add a lock around the statics in ASICloudFilesRequest

Merge branch 'master' into integration

Conflicts:
	Classes/ASIHTTPRequest.m

Move build cookie headers into its own method

Thanks to Duane Fields for this!

Thanks to Christopher Atlan for these!

* re-order stream schedule/open/setclient
* stop unscheduling stream on complete when using persistent connections

* re-order stream schedule/open/setclient
* stop unscheduling stream on complete when using persistent connections