Fix crash on exit of replay (no longer processing clicks mid-rendering) and OpenGL error warnings

Remove MCTimerHandler, instead always install the ReplayTimer

src/main/java/eu/crushedpixel/replaymod/timer/ReplayTimer.java

@@ -0,0 +1,50 @@
+package eu.crushedpixel.replaymod.timer;
+
+import eu.crushedpixel.replaymod.events.handlers.MinecraftTicker;
+import net.minecraft.client.Minecraft;
+import net.minecraft.util.Timer;
+import org.lwjgl.LWJGLException;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+
+public class ReplayTimer extends Timer {
+
+    public static ReplayTimer get(Minecraft mc) {
+        Timer timer = mc.timer;
+        if (!(timer instanceof ReplayTimer)) {
+            throw new IllegalStateException("ReplayTimer not installed");
+        }
+        return (ReplayTimer) timer;
+    }
+
+    /**
+     * When the timer is set to passive, it does not advance the (render) ticks on it's own.
+     */
+    public boolean passive;
+
+    public ReplayTimer() {
+        super(20);
+    }
+
+    @Override
+    public void updateTimer() {
+        if (!passive) {
+            super.updateTimer();
+        }
+
+        if (timerSpeed == 0) {
+            try {
+                MinecraftTicker.runMouseKeyboardTick(Minecraft.getMinecraft());
+            } catch (IllegalAccessException e) {
+                e.printStackTrace();
+            } catch (InvocationTargetException e) {
+                e.printStackTrace();
+            } catch (IOException e) {
+                e.printStackTrace();
+            } catch (LWJGLException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}