= 0.9.1 / 2012-03-19

 * Create Twitter example application (Mattt Thompson)

 * Add support for nested array and dictionary parameters for query string and 
form-encoded requests (Mathieu Hausherr, Josh Chung, Mattt Thompson)

 * Add `AFURLConnectionOperation -setCacheResponseBlock:`, which allows the 
behavior of the `NSURLConnectionDelegate` method 
`-connection:willCacheResponse:` to be overridden without subclassing (Mattt 
Thompson)

 * Add `_AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_` macros for 
NSURLConnection authentication delegate methods (Mattt Thompson)

 * Add properties for custom success / failure callback queues (Peter 
Steinberger)

 * Add notifications for network reachability changes to `AFHTTPClient` (Mattt 
Thompson)

 * Add `AFHTTPClient -patchPath:` convenience method (Mattt Thompson)

 * Add support for NextiveJson (Adrian Kosmaczewski)

 * Improve network reachability checks (C. Bess)

 * Improve NSIndexSet formatting in error strings (Jon Parise)

 * Improve performance of image request decoding by dispatching to background 
queue (Mattt Thompson)

 * Document crashing behavior in iOS 4 loading a file:// URL (Mattt Thompson)

 * Fix crash caused by `AFHTTPClient -cancelAllHTTPOperationsWithMethod:` not 
checking operation to be instance of `AFHTTPRequestOperation` (Mattt Thompson)

 * Fix crash caused by passing `nil` URL in requests (Sam Soffes)

 * Fix errors caused by connection property not being nil'd out after an 
operation finishes (Kevin Harwood, @zdzisiekpu)

 * Fix crash caused by passing `NULL` error pointer when setting `NSInvocation` 
in `AFJSONEncode` and `AFJSONDecode` (Tyler Stromberg)

 * Fix batch operation completion block returning on background thread (Patrick 
Hernandez)

 * Fix documentation for UIImageView+AFNetworking (Dominic Dagradi)

 * Fix race condition caused by `AFURLConnectionOperation` being cancelled on 
main thread, rather than network thread (Erik Olsson)

 * Fix `AFURLEncodedStringFromStringWithEncoding` to correctly handle cases 
where % is used as a literal rather than as part of a percent escape code 
(Mattt Thompson)

 * Fix missing comma in `+defaultAcceptableContentTypes` for 
`AFImageRequestOperation` (Michael Schneider)


= 0.9.0 / 2012-01-23

* Add thread-safe behavior to `AFURLConnectionOperation` (Mattt Thompson)

* Add batching of operations for `AFHTTPClient` (Mattt Thompson)

* Add authentication challenge callback block to override default 
implementation of `connection:didReceiveAuthenticationChallenge:` in 
`AFURLConnectionOperation` (Mattt Thompson)

* Add `_AFNETWORKING_PREFER_NSJSONSERIALIZATION_`, which, when defined, 
short-circuits the standard preference ordering used in `AFJSONEncode` and 
`AFJSONDecode` to use `NSJSONSerialization` when available, falling back on 
third-party-libraries. (Mattt Thompson, Shane Vitarana)

* Add custom `description` for `AFURLConnectionOperation` and `AFHTTPClient` 
(Mattt Thompson)

* Add `text/javascript` to default acceptable content types for 
`AFJSONRequestOperation` (Jake Boxer)

* Add `imageScale` property to change resolution of images constructed from 
cached data (Štěpán Petrů)

* Add note about third party JSON libraries in README (David Keegan)

* `AFQueryStringFromParametersWithEncoding` formats `NSArray` values in the 
form `key[]=value1&key[]=value2` instead of `key=(value1,value2)` (Dan Thorpe)

* `AFImageRequestOperation -responseImage` on OS X uses `NSBitmapImageRep` to 
determine the correct pixel dimensions of the image (David Keegan)

* `AFURLConnectionOperation` `connection` has memory management policy `assign` 
to avoid retain cycles caused by `NSURLConnection` retaining its delegate 
(Mattt Thompson)

* `AFURLConnectionOperation` calls super implementation for `-isReady`, 
following the guidelines for `NSOperation` subclasses (Mattt Thompson)

* `UIImageView -setImageWithURL:` and related methods call success callback 
after setting image (Cameron Boehmer)

* Cancel request if an authentication challenge has no suitable credentials in 
`AFURLConnectionOperation -connection:didReceiveAuthenticationChallenge:` 
(Jorge Bernal)

* Remove exception from 
`multipartFormRequestWithMethod:path:parameters:constructing BodyWithBlock:` 
raised when certain HTTP methods are used. (Mattt Thompson)

* Remove `AFImageCache` from public API, moving it into private implementation 
of `UIImageView+AFNetworking` (Mattt Thompson)

* Mac example application makes better use of AppKit technologies and 
conventions (Mattt Thompson)

* Fix issue with multipart form boundaries in `AFHTTPClient 
-multipartFormRequestWithMethod:path:parameters:constructing BodyWithBlock:` 
(Ray Morgan, Mattt Thompson, Sam Soffes)

* Fix "File Upload with Progress Callback" code snippet in README (Larry Legend)

* Fix to SBJSON invocations in `AFJSONEncode` and `AFJSONDecode` (Matthias 
Tretter, James Frye)

* Fix documentation for `AFHTTPClient requestWithMethod:path:parameters:` 
(Michael Parker)

* Fix `Content-Disposition` headers used for multipart form construction 
(Michael Parker)

* Add network reachability status change callback property to `AFHTTPClient`. 
(Mattt Thompson, Kevin Harwood)

* Fix exception handling in `AFJSONEncode` and `AFJSONDecode` (David Keegan)

* Fix `NSData` initialization with string in `AFBase64EncodedStringFromString` 
(Adam Ernst, Mattt Thompson)

* Fix error check in `appendPartWithFileURL:name:error:` (Warren Moore, 
Baldoph, Mattt Thompson)

* Fix compiler warnings for certain configurations (Charlie Williams)

* Fix bug caused by passing zero-length `responseData` to response object 
initializers (Mattt Thompson, Serge Paquet)