close #21

Mostly replaced Fixnum with integer
also in the rx-file dependency
all travis and testing with 2.4+

test/risc/interpreter/assign/test_assign_local.rb

@@ -34,7 +34,7 @@ module Risc
       ret = main_ticks(19)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
-      assert_equal Fixnum , link.class
+      assert_equal ::Integer , link.class
     end
     def test_transfer
       transfer = main_ticks(20)

test/risc/interpreter/calling/test_alloc.rb

@@ -51,7 +51,7 @@ module Risc
       assert_equal :- , op.operator
       assert_equal :r3 , op.left.symbol
       assert_equal :r1 , op.right.symbol
-      assert_equal Fixnum , @interpreter.get_register(:r3).class
+      assert_equal ::Integer , @interpreter.get_register(:r3).class
       assert 0 != @interpreter.get_register(:r3)
     end
     def test_branch

test/risc/interpreter/calling/test_div10.rb

@@ -47,7 +47,7 @@ module Risc
       ret = main_ticks(93)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
-      assert_equal Fixnum , link.class
+      assert_equal ::Integer , link.class
     end
   end
 end

test/risc/interpreter/test_dynamic_call.rb

@@ -40,7 +40,7 @@ module Risc
             RegToSlot, LoadConstant, SlotToReg, RegToSlot, RegToSlot,
             SlotToReg, SlotToReg, SlotToReg, FunctionReturn, Transfer, # 140
             SlotToReg, SlotToReg, Syscall, NilClass, ]
-       assert_equal Fixnum , get_return.class
+       assert_equal ::Integer , get_return.class
        assert_equal 1 , get_return
     end
 
@@ -63,7 +63,7 @@ module Risc
       ret = main_ticks(139)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
-      assert_equal Fixnum , link.class
+      assert_equal ::Integer , link.class
     end
     def test_sys
       sys = main_ticks(143)

test/risc/interpreter/test_events.rb

@@ -47,7 +47,7 @@ module Risc
             RegToSlot, LoadConstant, SlotToReg, RegToSlot, RegToSlot, # 30
             SlotToReg, SlotToReg, SlotToReg, Branch, FunctionReturn,
             Transfer, SlotToReg, SlotToReg, Syscall, NilClass, ]
-      assert_equal Fixnum , get_return.class
+      assert_equal ::Integer , get_return.class
       assert_equal 5 , get_return
     end
     def test_length

test/risc/interpreter/test_return.rb

@@ -32,7 +32,7 @@ module Risc
       ret = main_ticks(15)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
-      assert_equal Fixnum , link.class
+      assert_equal ::Integer , link.class
     end
     def test_transfer
       transfer = main_ticks(16)