Merge branch 'release/0.9.0'

Author: takama

README.md

@@ -189,6 +189,7 @@ func main() {
 - [Erkan Durmus](https://github.com/derkan)
 - [maxxant](https://github.com/maxxant)
 - [1for](https://github.com/1for)
+- [okamura](https://github.com/sidepelican)
 
 All the contributors are welcome. If you would like to be the contributor please accept some rules.
 - The pull requests will be accepted only in "develop" branch

daemon.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 /*
-Package daemon 0.8.7 for use with Go (golang) services.
+Package daemon 0.9.0 for use with Go (golang) services.
 
 Package daemon provides primitives for daemonization of golang services.
 This package is not provide implementation of user daemon,