Change Mom to SlotMachine

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

test/slot_machine/test_block_compiler.rb

@@ -0,0 +1,44 @@
+require_relative "helper"
+
+module SlotMachine
+  class TestBlockCompiler1 < MiniTest::Test
+    include ScopeHelper
+
+    def setup
+      code = as_main_block("return 5" , "a = 1")
+      @risc = RubyX::RubyXCompiler.new(RubyX.default_test_options).ruby_to_risc(code)
+    end
+
+    def test_collection
+      assert_equal Risc::RiscCollection, @risc.class
+    end
+    def test_main_compiler
+      assert_equal :main , @risc.method_compilers.callable.name
+    end
+    def test_main_block_compiler
+      main_block = @risc.method_compilers.find_compiler_name(:main_block)
+      assert_equal :main_block , main_block.callable.name
+      assert_equal :main , main_block.in_method.name
+    end
+  end
+  class TestBlockCompiler2 < MiniTest::Test
+    include ScopeHelper
+
+    def setup
+      code = as_main_block("return arg" , "arg = 1")
+      @risc = RubyX::RubyXCompiler.new(RubyX.default_test_options).ruby_to_risc(code)
+    end
+
+    def test_collection
+      assert_equal Risc::RiscCollection, @risc.class
+    end
+    def test_main_compiler
+      assert_equal :main , @risc.method_compilers.callable.name
+    end
+    def test_main_block_compiler
+      main_block = @risc.method_compilers.find_compiler_name(:main_block)
+      assert_equal :main_block , main_block.callable.name
+      assert_equal :main , main_block.in_method.name
+    end
+  end
+end