Change Mom to SlotMachine

rather large commit, but essentially a simple rename
Rationale in docs and blogs

lib/slot_machine/macro/method_missing.rb

@@ -0,0 +1,21 @@
+module Mom
+  class MethodMissing < Macro
+    attr_reader :name
+
+    def initialize( source , name  )
+      super(source)
+      name = name.value if name.is_a?(Vool::SymbolConstant)
+      raise "No reg #{name.class}" unless name.class == Symbol
+      @name = name
+    end
+
+    def to_risc(compiler)
+      builder = compiler.builder(compiler.source_name)
+      from = Risc::RegisterValue.new(@name , :Word)
+      to = Risc::RegisterValue.new(:r1 , :Word)
+      builder.add_code Risc::Transfer.new(self , from , to)
+      builder.add_code Risc::Syscall.new(self, :died )
+      return compiler
+    end
+  end
+end