fold last of the virtual into register

lib/register.rb

@@ -0,0 +1,20 @@
+require "parfait"
+require "register/machine"
+#if we are in the ruby run-time / generating an executable
+require "register/positioned"
+require "register/padding"
+require "register/parfait_adapter"
+
+require "phisol/compiler"
+require "register/method_source"
+
+
+class Fixnum
+  def fits_u8?
+    self >= 0 and self <= 255
+  end
+end
+
+require "register/instruction"
+require "register/register_value"
+require "register/assembler"