add parser and basic test framework

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

test/melon/test_itos.rb

@@ -0,0 +1,28 @@
+require_relative 'helper'
+
+class TestRubyItos < MiniTest::Test
+  include MelonTests
+
+  def test_ruby_itos
+    @string_input = <<HERE
+100000.to_s
+HERE
+    @stdout = "Hello there"
+    check
+  end
+
+  def pest_ruby_itos_looping
+    @string_input = <<HERE
+  counter = 100000
+
+  while(counter > 0) do
+  	str = counter.to_s
+  	counter = counter - 1
+  end
+  str
+HERE
+    @length = 37
+    @stdout = "Hello Raisa, I am salama"
+    check
+  end
+end