New Groups object to fix concurrency bug

[srnyx]

And improve stats format for groups

Fixes this:

[03:01:11] [Render thread/DEBUG]: Hide players key pressed
[03:01:11] [Render thread/ERROR]: Unreported exception thrown!
java.util.ConcurrentModificationException
    at java.base/java.util.LinkedHashMap$LinkedHashIterator.nextNode(Unknown Source)
    at java.base/java.util.LinkedHashMap$LinkedKeyIterator.next(Unknown Source)
    at Genesis//cc.aabss.eventutils.manager.GroupManager.cycle(GroupManager.java:48)
    at Genesis//cc.aabss.eventutils.manager.KeybindManager.lambda$new$0(KeybindManager.java:134)
    at Genesis//net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.lambda$static$3(ClientTickEvents.java:43)
    at Genesis//net.minecraft.client.Minecraft.handler$cbp000$fabric-lifecycle-events-v1$onEndTick(Minecraft.java:10300)
    at Genesis//net.minecraft.client.Minecraft.tick(Minecraft.java:1956)
    at Genesis//net.minecraft.client.Minecraft.runTick(Minecraft.java:1250)
    at Genesis//net.minecraft.client.Minecraft.run(Minecraft.java:959)
    at Genesis//net.minecraft.client.main.Main.main(Main.java:292)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
    at java.base/java.lang.reflect.Method.invoke(Unknown Source)
    at com.moonsworth.lunar.genesis.ClientGameBootstrap.apply(Unknown Source)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
    at java.base/java.lang.reflect.Method.invoke(Unknown Source)
    at com.moonsworth.lunar.genesis.HRCORCCCHOCRCICCRHOHHICOIIICII.HRCORCCCHOCRCICCRHOHHICOIIICII(Unknown Source)
    at com.moonsworth.lunar.genesis.Genesis.run(Unknown Source)