Bump version to 2.1.0

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

Author: davidcelis

lib/api-pagination/version.rb

@@ -1,7 +1,13 @@
 module ApiPagination
-  MAJOR = 2
-  MINOR = 0
-  PATCH = 1
+  class Version
+    MAJOR = 2
+    MINOR = 1
+    PATCH = 0
 
-  VERSION = [MAJOR, MINOR, PATCH].join('.')
+    def self.to_s
+      [MAJOR, MINOR, PATCH].join('.')
+    end
+  end
+
+  VERSION = Version.to_s
 end