Add vector of timer handles

include/kernel/kernel.hpp

@@ -36,6 +36,7 @@ class Kernel {
 	std::vector<KernelObject> objects;
 	std::vector<Handle> portHandles;
 	std::vector<Handle> mutexHandles;
+	std::vector<Handle> timerHandles;
 
 	// Thread indices, sorted by priority
 	std::vector<int> threadIndices;

src/core/kernel/kernel.cpp

@@ -148,6 +148,7 @@ void Kernel::reset() {
 	}
 	objects.clear();
 	mutexHandles.clear();
+	timerHandles.clear();
 	portHandles.clear();
 	threadIndices.clear();
 	serviceManager.reset();

src/core/kernel/timers.cpp

@@ -9,7 +9,7 @@ Handle Kernel::makeTimer(ResetType type) {
 		Helpers::panic("Created pulse timer");
 	}
 
-	// timerHandles.push_back(ret);
+	timerHandles.push_back(ret);
 	return ret;
 }