Merge pull request #312 from DeployGate/bump/0.9.0

bump to 0.9.0

Author: anoworl

lib/deploygate/version.rb

@@ -1,4 +1,4 @@
 module DeployGate
-  VERSION = '0.8.6'
+  VERSION = '0.9.0'
   VERSION_CODE = Gem::Version.new(VERSION).segments.reverse.each_with_index.map { |v, i| 100 ** i * v }.reduce(&:+)
 end