Update net-ssh dependency to 4.0.0 which requires Ruby version >= 2.0

CHANGES.txt

@@ -1,12 +1,16 @@
 
+
+=== 2.0.0 / 26 Jan 2017
+
+* Update net-ssh dependency to 4.0.0 which requires Ruby version >= 2.0 [delano]
+
 === 1.3.0 / 26 Jan 2017
 
 * Fix for loop_wait option on initialization [mfazekas, tpitale]
 * Use bundler and remove remove jeweler [tpitale]
 * Use minitest instead of test/unit [tpitale]
 * Added Travis CI config [tpitale]
 
-
 === 1.2.0 / 06 Feb 2013
 
 * Added public cert. All gem releases are now signed. See INSTALL in readme.

README.md

@@ -69,6 +69,10 @@ Then, when install the gem, do so with high security:
 
 If you don't add the public key, you'll see an error like "Couldn't verify data signature".
 
+## Ruby 1.9
+
+As of release 2.0.0, net-ssh-gateway supports only Ruby >= 2.0.0. The last release that supports Ruby 1.9 is 1.3.0.
+
 
 ## LICENSE:
 

lib/net/ssh/gateway/version.rb

@@ -1,7 +1,7 @@
 module Net
   module SSH
     class Gateway
-      VERSION = "1.3.0"
+      VERSION = "2.0.0"
     end
   end
 end

net-ssh-gateway.gemspec

@@ -27,5 +27,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "minitest", "~> 5.8.4"
   spec.add_development_dependency "mocha", ">= 1.2.1"
 
-  spec.add_runtime_dependency "net-ssh", ">= 2.6.5"
+  spec.add_runtime_dependency "net-ssh", ">= 4.0.0"
 end