renamed root parser class to Crystal

test/parser/helper.rb

@@ -10,7 +10,7 @@ module ParserHelper
  
   module InstanceMethods
     def setup
-      @parser    = Parser::Composed.new
+      @parser    = Parser::Crystal.new
       @transform = Parser::Transform.new
     end
 

test/test_runner.rb

@@ -19,7 +19,7 @@ class TestRunner < MiniTest::Test
 
   def execute file
     string = File.read(file)
-    parser = Parser::Composed.new
+    parser = Parser::Crystal.new
     program = Vm::Program.new "Arm"
     parts = string.split "SPLIT"
     parts.each_with_index do |part,index|