A GET request for file:///path/to/file URLs has a self.response that does not respond to allHeaderFields because it is an NSURLResponse not an NSHTTPURLResponse
Fixing crasher in AFNetworkActivityIndicatorManager, due to unsafe calls to updateNetworkActivityIndicatorVisibilityDelayed from multiple threads.
Suppressed GNU expression and Enum assignment warnings from clang
Add __unused to stream delegate parameter
Switched the #warning messages to #pragma message messages instead, so you can still compile the framework with -Werror switched on
Register error if new bodyStream cannot be created
explicitly synthesize properties to eliminate warnings with -Wobjc-missing-property-synthesis
Merge pull request #978 from jeffhunter/master

Explicitly synthesize properties to eliminate warnings with -Wobjc-missing-property-synthesis
Merge pull request #973 from michael-r-may/master

Fix for -Werror switch use
Merge pull request #972 from aburgel/needNewBodyStream_cancel

Register error if new bodyStream cannot be created
Refactoring failure case for connection:needNewBodyStream:
[Issue #970] Refactoring network reachability to be more conventional (/thanks @djmadcat)
[Issue #969] Reordering network reachability calls to provide correct reachability status on initialization (/thanks @djmadcat)
Replacing (CFStringRef)NSRunLoopCommonModes with kCFRunLoopCommonModes
Merge pull request #958 from StatusReport/master

Add __unused to stream delegate parameter
Merge pull request #944 from davekeck/master

Fix for crasher in AFNetworkActivityIndicatorManager
Merge pull request #937 from RobotsAndPencils/upstream

allHeaderFields invalid for NSURLResponse to file:/// url
Adds missing [self.response respondsToSelector:@selector(allHeaderFields)] check.
Merge pull request #981 from OliverLetterer/all-header-fields

-[NSURLResponse allHeaderFields]
[Issue #963] Perform default handling for NSURLAuthenticationMethodDefault authentication challenges

Signed-off-by: Mattt Thompson <m@mattt.me>