Bump version to 2.1.3

Signed-off-by: David Celis <me@davidcel.is>

Author: davidcelis

Gemfile

@@ -2,4 +2,4 @@ source 'https://rubygems.org/'
 gemspec
 
 gem 'sqlite3', :platform => :ruby
-gem 'activerecord-jdbcsqlite3-adapter', :platforms=>:jruby
+gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby

lib/recommendable/version.rb

@@ -1,8 +1,13 @@
 module Recommendable
-  MAJOR = 2
-  MINOR = 1
-  PATCH = 2
-  PRE   = nil
+  class Version
+    MAJOR = 2
+    MINOR = 1
+    PATCH = 3
 
-  VERSION = [MAJOR, MINOR, PATCH, PRE].compact.join '.'
+    def self.to_s
+      [MAJOR, MINOR, PATCH].join('.')
+    end
+  end
+
+  VERSION = Version.to_s.freeze
 end