Added first version of query (text protocol)

Added deserialize_text_row
Added deserialize_text_value
Added execute_query
Added fetch_text_row
Added resultset
Added connection::query

test/handshake.cpp

@@ -0,0 +1,33 @@
+/*
+ * handshake.cpp
+ *
+ *  Created on: Oct 27, 2019
+ *      Author: ruben
+ */
+
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+#include "mysql/impl/handshake.hpp"
+
+using namespace testing;
+using namespace mysql;
+using namespace detail;
+
+namespace
+{
+
+class MockChannel
+{
+public:
+	MOCK_METHOD2(read_impl, void(std::vector<std::uint8_t>&, error_code&));
+	MOCK_METHOD2(write, void(boost::asio::const_buffer, error_code&));
+
+	template <typename Allocator>
+	void read(bytestring<Allocator>& buffer, error_code& errc)
+	{
+		read_impl(buffer, errc);
+	}
+};
+
+}
+