Update Naming and Tests

WiFi/Functions.h

@@ -0,0 +1,22 @@
+#ifndef WIFI_FUNCTIONS_H
+#define WIFI_FUNCTIONS_H
+
+#include <string>
+
+
+namespace PresenceDetection {
+namespace WiFi {
+
+class Functions
+{
+public:
+	static bool Ping(const std::string& ipAddress);
+
+private:
+	static uint16_t ICMPChecksum(uint16_t* addr, unsigned len);
+};
+
+} // namespace WiFi
+} // namespace PresenceDetection
+
+#endif // WIFI_FUNCTIONS_H