diff --git a/lib/core/init.nom b/lib/core/init.nom
index 1319c5f..263c1d9 100644
--- a/lib/core/init.nom
+++ b/lib/core/init.nom
@@ -10,3 +10,4 @@ export "core/math"
 export "core/id"
 export "core/io"
 export "core/text"
+export "core/things"
diff --git a/lib/things.nom b/lib/core/things.nom
similarity index 91%
rename from lib/things.nom
rename to lib/core/things.nom
index 9ca7e7d..c52eb5d 100644
--- a/lib/things.nom
+++ b/lib/core/things.nom
@@ -1,18 +1,23 @@
 #!/usr/bin/env nomsu -V6.15.13.8
 #
     A library for simple object oriented programming.
-    
+
+use "core/metaprogramming"
+use "core/operators"
+use "core/control_flow"
+use "core/collections"
+use "core/errors"
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
 test:
     an (Empty) is a thing
     a (Buffer) is a thing:
         $its.is_a_buffer = (yes)
         ($its, set up) means:
             $its.bits or= []
-        ($it, as text) means
-            $it.bits, joined
-        [($its, add $bit), ($its, append $bit)] all mean:
-            $its.bits, add $bit
-
+        ($it, as text) means ($it.bits, joined)
+        [($its, add $bit), ($its, append $bit)] all mean: $its.bits, add $bit
     assume (Buffer).is_a_buffer
     $b = (a Buffer)
     assume (type of $b) == "Buffer"
@@ -20,17 +25,15 @@ test:
     assume "\$b" == ""
     assume ($b, as text) == ""
     $b = (a Buffer with {.bits = ["x"]})
-    $b,
+    $b, 
         add "y"
         append "z"
     assume "\$b" == "xyz"
     assume $b == (a Buffer with {.bits = ["x", "y", "z"]})
     assume $b != (a Buffer with {.bits = []})
-    
     a (Comma Buffer) is a (Buffer):
         ($it, as text) means ($it.bits, joined with ",")
         ($its, number of commas) means ((#$its.bits) - 1)
-    
     $csv = (a Comma Buffer)
     assume $csv.is_a_buffer
     assume "\$csv" == ""
@@ -38,7 +41,6 @@ test:
     $csv, add "y"
     assume "\$csv" == "x,y"
     assume ($csv, number of commas) == 1
-
     a (Vec) is a thing with {.x, .y}:
         ($its, + $other) means (Vec {.x = ($its.x + $other.x), .y = ($its.y + $other.y)})
     
@@ -79,8 +81,7 @@ external:
                         fail "Cannot set \$key, it's not one of the allowed member fields."
         
         set $class's metatable to {
-            .__index = $parent
-            .__tostring = ($class -> $class.__type)
+            .__index = $parent, .__tostring = ($class -> $class.__type)
             .__call =
                 for ($class with $initial_values):
                     if ($initial_values == (nil)): return $class
@@ -107,7 +108,8 @@ external:
         $class_id = ($classname.stub, as lua id)
         $lua =
             Lua ("
-                \$class_id = a_1_class_named_2_with(\($parent as lua), \(quote $classname.stub), \($members as lua)\(
+                \$class_id = a_1_class_named_2_with(\($parent as lua), \(quote $classname.stub), \
+                ..\($members as lua)\(
                     (
                         Lua ("
                             , function(\$class_id)
@@ -120,20 +122,19 @@ external:
                 a_\$class_id = function(initial_values) return \$class_id(initial_values or {}) end
                 an_\$class_id, a_\($class_id)_with, an_\($class_id)_with = a_\$class_id, a_\$class_id, a_\$class_id
             ")
-        
         $lua, add free vars [$class_id, "a_\$class_id", "an_\$class_id"]
         return $lua
-
+    
     [
         a $classname is a thing with $members $class_body
         an $classname is a thing with $members $class_body
         a $classname is an thing with $members $class_body
         an $classname is an thing with $members $class_body
     ] all parse as (a $classname is a (nil) with $members $class_body)
-
+    
     [a $classname is a thing $class_body, an $classname is a thing $class_body]
     ..all parse as (a $classname is a (nil) with (nil) $class_body)
-
+    
     [
         a $classname is a $parent $class_body, an $classname is a $parent $class_body
         a $classname is an $parent $class_body, an $classname is an $parent $class_body