request parser speed improvements and test updates

tests/unit_tests.cpp

@@ -0,0 +1,17 @@
+#include <gtest/gtest.h>
+#include <fstream>
+#include "../lib/http/request.hpp"
+#include <boost/beast.hpp>
+
+TEST(unit_tests, single_request_parse) {
+    std::ifstream t("./test_files/test_request.http");
+    std::stringstream buffer;
+    buffer << t.rdbuf();
+
+    std::string raw_req = buffer.str();
+    std::string expected = buffer.str();
+
+    anthracite::http::request req (raw_req, "0.0.0.0");
+
+    ASSERT_EQ(expected, req.to_string());
+}