update BLE library for ESP32 env compatibility

with the last version of ESP32 arduino env it is not possible to compile on ESP32, we get "missing gatt_api.h" ERROR. So as to avoid that we need to use the last version of the nkolban library for BLE 0.4.16

lib/ESP32_BLE_Arduino/src/BLEServer.h

@@ -18,6 +18,7 @@
 #include "BLEAdvertising.h"
 #include "BLECharacteristic.h"
 #include "BLEService.h"
+#include "BLESecurity.h"
 #include "FreeRTOS.h"
 
 class BLEServerCallbacks;
@@ -39,10 +40,14 @@ public:
 	void        setByUUID(const char* uuid, BLEService* service);
 	void        setByUUID(BLEUUID uuid, BLEService* service);
 	std::string toString();
+	BLEService* getFirst();
+	BLEService* getNext();
+	void 		removeService(BLEService *service);
 
 private:
-	std::map<std::string, BLEService*> m_uuidMap;
 	std::map<uint16_t, BLEService*>    m_handleMap;
+	std::map<BLEService*, std::string> m_uuidMap;
+	std::map<BLEService*, std::string>::iterator m_iterator;
 };
 
 
@@ -53,10 +58,11 @@ class BLEServer {
 public:
 	uint32_t        getConnectedCount();
 	BLEService*     createService(const char* uuid);	
-	BLEService*     createService(BLEUUID uuid, uint32_t numHandles=15);
+	BLEService*     createService(BLEUUID uuid, uint32_t numHandles=15, uint8_t inst_id=0);
 	BLEAdvertising* getAdvertising();
-	void            setCallbacks(BLEServerCallbacks *pCallbacks);
+	void            setCallbacks(BLEServerCallbacks* pCallbacks);
 	void            startAdvertising();
+	void 			removeService(BLEService *service);
 
 
 private: