Moved toHex functions to String helper class

src/Helpers/String.cpp

@@ -2,6 +2,8 @@
 
 #include <algorithm>
 #include <cctype>
+#include <sstream>
+#include <iomanip>
 
 namespace Bloom
 {
@@ -26,4 +28,32 @@ namespace Bloom
             return character > 127;
         });
     }
+
+    std::string String::toHex(unsigned char value) {
+        auto stream = std::stringstream();
+        stream << std::hex << std::setfill('0') << std::setw(2) << static_cast<unsigned int>(value);
+        return stream.str();
+    }
+
+    std::string String::toHex(const std::vector<unsigned char>& data) {
+        auto stream = std::stringstream();
+        stream << std::hex << std::setfill('0');
+
+        for (const auto& byte : data) {
+            stream << std::setw(2) << static_cast<unsigned int>(byte);
+        }
+
+        return stream.str();
+    }
+
+    std::string String::toHex(const std::string& data) {
+        std::stringstream stream;
+        stream << std::hex << std::setfill('0');
+
+        for (const auto& byte : data) {
+            stream << std::setw(2) << static_cast<unsigned int>(byte);
+        }
+
+        return stream.str();
+    }
 }