Bump version to 1.7.0 and update CHANGELOG

Author: macournoyer

CHANGELOG

@@ -1,3 +1,10 @@
+== 1.7.0 Dunder Mifflin
+ * Rack 2 support
+ * Ensure Response body.close is called in the same thread
+   Fixes issues with ActiveRecord connection management [#307]
+ * Fix TCP/IP Backend reports incorrect port when asked to bind to 0 [meschbach]
+ * Work with ruby 2.3's --enable-frozen-string-literal [jeremyevans]
+
 == 1.6.4 Gob Bluth
  * Increase REQUEST_PATH to 2048 symbols [X2rdas]
  * Fix warning in logger [tenderlove]

lib/thin/version.rb

@@ -5,12 +5,12 @@ class PlatformNotSupported < RuntimeError; end
 
   module VERSION #:nodoc:
     MAJOR    = 1
-    MINOR    = 6
-    TINY     = 4
+    MINOR    = 7
+    TINY     = 0
 
     STRING   = [MAJOR, MINOR, TINY].join('.')
 
-    CODENAME = "Gob Bluth".freeze
+    CODENAME = "Dunder Mifflin".freeze
 
     RACK     = [1, 0].freeze # Rack protocol version
   end