diff --git a/clib/csvparser.cpp b/clib/csvparser.cpp
index 66aa466..fcbeb48 100644
--- a/clib/csvparser.cpp
+++ b/clib/csvparser.cpp
@@ -58,6 +58,33 @@ void CsvParser::parseCSV(const std::string &csvSource, std::vector< std::vector<
 	addLine(line, lines);
 }
 
+MlValue CsvParser::ivalualize(std::vector< std::vector<std::string> > &parsed_data) const {
+    int rows = parsed_data.size();
+    int cols = rows > 0 ? parsed_data[0].size() : 0;
+
+    std::vector<MlValue> result;
+
+    if (rows > 0 && cols > 0) {
+        for (int r = 0; r < rows; r++) {
+            std::vector<MlValue> row;
+            for (int c = 0; c < cols; c++) {
+                std::string value = parsed_data[r][c];
+                if (is_string_int(value)) {
+                    row.push_back(MlValue(stoi(value)));
+                }
+                if (is_string_float(value)) {
+                    row.push_back(MlValue(std::stod(value)));
+                } else {
+                    row.push_back(MlValue::string(value));
+                }
+            }
+            result.push_back(row);
+        }
+    }
+
+    return result;
+}
+
 void CsvParser::addLine(const std::vector<std::string> &line, std::vector< std::vector<std::string> > &lines) {
 	if (skip_header && !header_skiped) {
 		header_skiped = true;
@@ -66,3 +93,18 @@ void CsvParser::addLine(const std::vector<std::string> &line, std::vector< std::
 			lines.push_back(line);
 	}
 }
+
+
+// std::regex int_underscored_regex("[0-9][0-9_]+[0-9]");
+std::regex int_regex("[0-9]+");
+std::regex double_regex("[0-9]+\\.[0-9]+");
+
+// Is string representing int value
+bool CsvParser::is_string_int(const std::string &str) const {
+    return std::regex_match(str, int_regex);
+}
+
+// Is string representing float value
+bool CsvParser::is_string_float(const std::string &str) const {
+    return std::regex_match(str, double_regex);
+}
diff --git a/clib/csvparser.h b/clib/csvparser.h
index 212c4d8..2548906 100644
--- a/clib/csvparser.h
+++ b/clib/csvparser.h
@@ -1,6 +1,9 @@
 
+#include "../ml.h"
+
 #include <string>
 #include <vector>
+#include <regex>
 
 class CsvParser {
 
@@ -18,6 +21,10 @@ public:
 
 	void parseCSV(const std::string &csvSource, std::vector< std::vector<std::string> > &lines);
 
+	MlValue  ivalualize(std::vector< std::vector<std::string> > &parsed_data) const;
 private:
 	void addLine(const std::vector<std::string> &line, std::vector< std::vector<std::string> > &lines);
+
+    bool is_string_int(const std::string &str) const;
+    bool is_string_float(const std::string &str) const;
 };
diff --git a/clib/sslclient.cpp b/clib/sslclient.cpp
index 2f91eab..0d3c621 100644
--- a/clib/sslclient.cpp
+++ b/clib/sslclient.cpp
@@ -20,9 +20,6 @@
 HttpClient::HttpClient(){};
 
 std::pair<int, std::string> HttpClient::doGetRequest(const std::string &url, const std::unordered_map<std::string, std::string> &headers) {
-	// ^(?:((?:https?|s?ftp):)\/\/)([^:\/\s]+)(?::(\d*))?(?:\/([^\s?#]+)?([?][^?#]*)?(#.*)?)?
-	//  viz test
-	//  https://api.iextrading.com:443/1.0/stock/market/batch?symbols=cah,khc,syf,jnj&types=quote#muhehe
 	//  https://stackoverflow.com/questions/25896916/parse-http-headers-in-c
 	
 	std::regex rgx{R"(^(?:((?:https?|s?ftp):)//)([^:/\s]+)(?::(\d*))?(?:/([^\s?#]+)?([?][^?#]*)?(#.*)?)?)"};
@@ -56,15 +53,17 @@ std::pair<int, std::string> HttpClient::doGetRequest(const std::string &url, con
 			// std::cout << i << ": '" << matches[i].str() << "'\n";
 		}
 	} else {
-		std::cerr << "Match not found\n";	// TODO better message
+		std::cerr << "Match not found" << std::endl;	// TODO better message
 	}
 
 	std::string headers_string = "";
 	for (auto it = headers.begin(); it != headers.end(); ++it) {
 		headers_string.append("\r\n" + it->first + ": " + it->second);
+//      std::cerr << "KEY: `" << it->first << "`, VALUE: `" << it->second << '`' << std::endl;
  	}
 
-	std::string request = "GET " + full_url + " HTTP/1.0\r\nHost: " + server + headers_string + "\r\n\r\n";
+
+    std::string request = "GET " + full_url + " HTTP/1.0\r\nHost: " + server + headers_string + "\r\n\r\n";
 
 	// TODO memory leaks ???
 	int bytes_read = sslRequest(server, request);
@@ -107,10 +106,6 @@ std::pair<int, std::string> HttpClient::doGetRequest(const std::string &url, con
 		}
 	}
 
-	// for(auto& kv: headers_map) {
-	//     std::cout << "KEY: `" << kv.first << "`, VALUE: `" << kv.second << '`' << std::endl;
-	// }
-
 	// TODO if error return error desc in string
 	return std::make_pair(200, body);
 };
@@ -135,8 +130,10 @@ int HttpClient::sslRecvPacket() {
 	char buf[len + 1];
 	do {
 		len = SSL_read(ssl, buf, len);
-		buf[len] = 0;
-		ssl_read_packet.append((const char *)buf);
+		if (len >= 0) {
+            buf[len] = 0;
+            ssl_read_packet.append((const char *)buf);
+		}
 	} while (len > 0);
 
 	if (len < 0) {
@@ -224,6 +221,7 @@ int HttpClient::sslRequest(const std::string &server_name, const std::string &re
 	// printf ("SSL connection using %s\n", SSL_get_cipher (ssl));
 
 	// send request
+    //std::err << request << std::endl;
 	sslSendPacket(request);
 
 	// read response and return its length