add parser and basic test framework

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

test/melon/test_loop.rb

@@ -0,0 +1,17 @@
+require_relative 'helper'
+
+class TestRubyLoop < MiniTest::Test
+  include MelonTests
+
+  def test_ruby_loop
+    @string_input = <<HERE
+counter = 100000
+while(counter > 0) do
+  counter -=  1
+end
+HERE
+    @stdout = "Hello there"
+    check
+  end
+
+end