add parser and basic test framework

that doesnt actually do anything. but WILL, great things, off course

test/melon/helper.rb

@@ -0,0 +1,15 @@
+require_relative '../helper'
+require "register/interpreter"
+require "parser/ruby22"
+
+module MelonTests
+
+  def setup
+    @parser = Parser::Ruby22
+  end
+
+  def check
+    assert true
+    puts @parser.parse @string_input
+  end
+end