change return sequence to return messages to space

as it was before blocks
(thought blocks would make reuse of messages impossible, but was wrong, this only appilies to lambdas)
(too) many tests affected

test/risc/interpreter/assign/test_assign_local.rb

@@ -13,9 +13,9 @@ module Risc
       #show_main_ticks # get output of what is
       check_main_chain [LoadConstant, SlotToReg, RegToSlot, SlotToReg, SlotToReg,
              RegToSlot, Branch, SlotToReg, SlotToReg, RegToSlot,
-             SlotToReg, SlotToReg, SlotToReg, Branch, FunctionReturn,
-             Transfer, SlotToReg, SlotToReg, Branch, Syscall,
-             NilClass]
+             LoadConstant, SlotToReg, RegToSlot, Branch, RegToSlot,
+             SlotToReg, SlotToReg, SlotToReg, FunctionReturn, Transfer,
+             SlotToReg, SlotToReg, Branch, Syscall, NilClass]
       assert_equal 15 , get_return
     end
 
@@ -31,17 +31,17 @@ module Risc
       assert_equal 15 , @interpreter.get_register(load_ins.register).value
     end
     def test_return
-      ret = main_ticks(15)
+      ret = main_ticks(19)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
       assert_equal Fixnum , link.class
     end
     def test_transfer
-      transfer = main_ticks(16)
+      transfer = main_ticks(20)
       assert_equal Transfer ,  transfer.class
     end
     def test_sys
-      sys = main_ticks(20)
+      sys = main_ticks(24)
       assert_equal Syscall ,  sys.class
     end
   end