Update nuspec.

Author: yfakariya

MsgPack.nuspec

@@ -3,7 +3,7 @@
  <metadata>
  <id>MsgPack.Cli</id>
  <title>MessagePack for CLI</title>
- <version>0.5.8</version>
+ <version>0.5.9</version>
  <authors>FUJIWARA, Yusuke</authors>
  <owners>FUJIWARA, Yusuke</owners>
  <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0</licenseUrl>
@@ -12,8 +12,8 @@
  <requireLicenseAcceptance>false</requireLicenseAcceptance>
  <description>MessagePack is fast, compact, and interoperable binary serialization format.
 This package provides MessagePack serialization/deserialization APIs. This pacakge also supports Mono, Xamarin and Unity3D.</description>
- <releaseNotes>This release fixes unpacker bugs related to network use.</releaseNotes>
- <copyright>Copyright 2010-2014 FUJIWARA, Yusuke, all rights reserved.</copyright>
+ <releaseNotes>This release fixes generator bugs related to large type and collection typed properties which have non-public setter.</releaseNotes>
+ <copyright>Copyright 2010-2015 FUJIWARA, Yusuke, all rights reserved.</copyright>
  <tags>MsgPack MessagePack Serialization Formatter Binary Serializer Fast Xamarin Unity3D</tags>
  <dependencies />
  </metadata>