fix a whole bunch of vool to_mom

All but those requiring boot functions

test/vool/send/helper.rb

@@ -3,7 +3,7 @@ require_relative "../helper"
 module Vool
   # relies on @ins and receiver_type method
   module SimpleSendHarness
-    include MomCompile
+    include VoolCompile
 
     def setup
       Parfait.boot!(Parfait.default_test_options)

test/vool/send/test_send_args_send.rb

@@ -8,7 +8,8 @@ module Vool
     def setup
       Parfait.boot!(Parfait.default_test_options)
       Risc.boot!
-      @ins = compile_first_method( "a = main(1 + 2)" )
+      @compiler = compile_first_method( "a = main(1 + 2)" )
+      @ins = @compiler.mom_instructions.next
     end
 
     def test_array

test/vool/send/test_send_cached_simple.rb

@@ -7,7 +7,8 @@ module Vool
 
     def setup
       Parfait.boot!(Parfait.default_test_options)
-      @ins = compile_first_method( "a = 5; a.div4")
+      @compiler = compile_first_method( "a = 5; a.div4")
+      @ins = @compiler.mom_instructions.next
     end
     def test_check_type
       assert_equal NotSameCheck , @ins.next.class , @ins