CHANGELOG.md in message-driver-0.5.0

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 # Changelog
 
+## 0.5.0 - 2014-09-17
+
+* add support for checking consumer counts on a queue in bunny and in_memory adapters
+* in_memory adapter now supports multiple subscribers per queue, and does a round-robin
+  through them when sending messages to consumers
+* upgrade to rspec 3
+* Middleware can now be used to automatically pre/post-process messages as they are published to
+  or consumed from a destination
+
 ## 0.4.0 - 2014-07-03
 
 * require bunny 1.2.2 or later
 * add support for publish confirmations
 
 ## 0.3.0 - 2014-02-26
 
 * Support for handling multiple broker connections
 * require bunny 1.1.3 or later
 * make bunny connections as lazily initialized as possible
-* bunny transaction start lazily
+* bunny transactions start lazily
 
 ## 0.2.2 - 2014-02-21
 
 * Lots of work on reconnection handling for bunny. Still a work in
   progress.