update changelog and version info (#168)

changelog.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## `v0.10.1`
+- fix nil pointer dereference for concurrent uses of Send() [issue #149](https://github.com/Azure/azure-service-bus-go/issues/149)
+- fix nil pointer dereference when there are no listeners [PR #151](https://github.com/Azure/azure-service-bus-go/pull/151)
+
 ## `v0.10.0`
 - add retry when Sender fails to recover
 - update settlement mode on sender

namespace.go

@@ -49,7 +49,7 @@ const (
 	//`
 
 	// Version is the semantic version number
-	Version = "0.10.0"
+	Version = "0.10.1"
 
 	rootUserAgent = "/golang-service-bus"
 )