update to the sorting functions and small fix to the compiler it self

tests/arr_static_sort.sl

@@ -2,17 +2,13 @@ import ../stdlib/stdlib.sl
 import ../stdlib/io.sl
 import ../stdlib/arr.sl
 
-word free_static
-    dup @ 1 + 8 * free
-end
-
 word main
     [ 4 1 3 2 ] dup arr_sort
     dup 0 swap arr_get_static puti cr
     dup 1 swap arr_get_static puti cr
     dup 2 swap arr_get_static puti cr
     dup 3 swap arr_get_static puti cr
-    free_static
+    arr_static_free
 
     [ 9 5 7 ] dup arr_sorted
     dup 0 swap arr_get_static puti cr
@@ -24,6 +20,6 @@ word main
     dup 1 swap arr_get_static puti cr
     dup 2 swap arr_get_static puti cr
 
-    free_static
-    free_static
+    arr_static_free
+    arr_static_free
 end