Replace requires with autoloads

lib/origin.rb

@@ -1,3 +1,5 @@
 # encoding: utf-8
-require "origin/queryable"
-require "origin/version"
+module Origin
+  autoload :Queryable, "origin/queryable"
+  autoload :Version, "origin/version"
+end

lib/origin/optional.rb

@@ -1,21 +1,22 @@
 # encoding: utf-8
-require "origin/optional/batch_size"
-require "origin/optional/hint"
-require "origin/optional/limit"
-require "origin/optional/max_scan"
-require "origin/optional/no_timeout"
-require "origin/optional/only"
-require "origin/optional/read"
-require "origin/optional/return_key"
-require "origin/optional/show_disk_loc"
-require "origin/optional/skip"
-require "origin/optional/slice"
-require "origin/optional/snapshot"
-require "origin/optional/transformer"
-require "origin/optional/without"
-
 module Origin
   module Optional
+
+    autoload :BatchSize, "origin/optional/batch_size"
+    autoload :Hint, "origin/optional/hint"
+    autoload :Limit, "origin/optional/limit"
+    autoload :MaxScan, "origin/optional/max_scan"
+    autoload :NoTimeout, "origin/optional/no_timeout"
+    autoload :Only, "origin/optional/only"
+    autoload :Read, "origin/optional/read"
+    autoload :ReturnKey, "origin/optional/return_key"
+    autoload :ShowDiskLoc, "origin/optional/show_disk_loc"
+    autoload :Skip, "origin/optional/skip"
+    autoload :Slice, "origin/optional/slice"
+    autoload :Snapshot, "origin/optional/snapshot"
+    autoload :Transformer, "origin/optional/transformer"
+    autoload :Without, "origin/optional/without"
+
     include BatchSize
     include Hint
     include Limit

lib/origin/queryable.rb

@@ -1,11 +1,13 @@
 # encoding: utf-8
 require "origin/ext"
-require "origin/optional"
-require "origin/options"
-require "origin/selection"
-require "origin/selector"
 
 module Origin
+
+  autoload :Optional, "origin/optional"
+  autoload :Options, "origin/options"
+  autoload :Selection, "origin/selection"
+  autoload :Selector, "origin/selector"
+
   module Queryable
     include Optional
     include Selection

lib/origin/selection.rb

@@ -1,34 +1,33 @@
 # encoding: utf-8
-require "origin/selection/all"
-require "origin/selection/and"
-require "origin/selection/between"
-require "origin/selection/elem_match"
-require "origin/selection/exists"
-require "origin/selection/gt"
-require "origin/selection/gte"
-require "origin/selection/in"
-require "origin/selection/key"
-require "origin/selection/lt"
-require "origin/selection/lte"
-require "origin/selection/max_distance"
-require "origin/selection/mod"
-require "origin/selection/ne"
-require "origin/selection/near"
-require "origin/selection/near_sphere"
-require "origin/selection/nin"
-require "origin/selection/nor"
-require "origin/selection/or"
-require "origin/selection/size"
-require "origin/selection/strategies"
-require "origin/selection/type"
-require "origin/selection/where"
-require "origin/selection/within_box"
-require "origin/selection/within_circle"
-require "origin/selection/within_spherical_circle"
-
 module Origin
   module Selection
-    include Strategies
+
+    autoload :All, "origin/selection/all"
+    autoload :And, "origin/selection/and"
+    autoload :Between, "origin/selection/between"
+    autoload :ElemMatch, "origin/selection/elem_match"
+    autoload :Exists, "origin/selection/exists"
+    autoload :Gt, "origin/selection/gt"
+    autoload :Gte, "origin/selection/gte"
+    autoload :In, "origin/selection/in"
+    autoload :Key, "origin/selection/key"
+    autoload :Lt, "origin/selection/lt"
+    autoload :Lte, "origin/selection/lte"
+    autoload :MaxDistance, "origin/selection/max_distance"
+    autoload :Mod, "origin/selection/mod"
+    autoload :Ne, "origin/selection/ne"
+    autoload :Near, "origin/selection/near"
+    autoload :NearSphere, "origin/selection/near_sphere"
+    autoload :Nin, "origin/selection/nin"
+    autoload :Nor, "origin/selection/nor"
+    autoload :Or, "origin/selection/or"
+    autoload :Size, "origin/selection/size"
+    autoload :Strategies, "origin/selection/strategies"
+    autoload :Type, "origin/selection/type"
+    autoload :Where, "origin/selection/where"
+    autoload :WithinBox, "origin/selection/within_box"
+    autoload :WithinCircle, "origin/selection/within_circle"
+    autoload :WithinSphericalCircle, "origin/selection/within_spherical_circle"
 
     include All
     include And
@@ -49,6 +48,7 @@ module Selection
     include Nor
     include Or
     include Size
+    include Strategies
     include Type
     include Where
     include WithinBox