Replace Dir.exist? w/ File.directory? which is available under 1.8.

Bump version.

CHANGELOG

@@ -1,3 +1,6 @@
+== 1.3.1 Triple Espresso
+ * Fix service not working pre 1.9.
+
 == 1.3.0 Double Espresso
  * BREAKING CHANGE: Thin no longer ships with fat Windows binaries.
    From now on, to install on Windows, install https://github.com/oneclick/rubyinstaller/wiki/Development-Kit.

lib/thin/controllers/service.rb

@@ -5,7 +5,7 @@ module Controllers
     # System service controller to launch all servers which
     # config files are in a directory.
     class Service < Controller
-      INITD_PATH          = Dir.exist?('/etc/rc.d') ? '/etc/rc.d/thin' : '/etc/init.d/thin'
+      INITD_PATH          = File.directory?('/etc/rc.d') ? '/etc/rc.d/thin' : '/etc/init.d/thin'
       DEFAULT_CONFIG_PATH = '/etc/thin'
       TEMPLATE            = File.dirname(__FILE__) + '/service.sh.erb'
 

lib/thin/version.rb

@@ -6,11 +6,11 @@ class PlatformNotSupported < RuntimeError; end
   module VERSION #:nodoc:
     MAJOR    = 1
     MINOR    = 3
-    TINY     = 0
+    TINY     = 1
 
     STRING   = [MAJOR, MINOR, TINY].join('.')
 
-    CODENAME = "Double Espresso".freeze
+    CODENAME = "Triple Espresso".freeze
 
     RACK     = [1, 0].freeze # Rack protocol version
   end