Hi! It's me Lorddirt!
1. Using the plugin source in your free plugin
I'm fine with you copying this plugin, I even have the source code on GitHub! Download it if you want!
Anyways, if you do use it, please just let people know that you used a bit of my source code by just putting it in little text under the description.
1.1. Using the plugin source in your premium plugin
Yeah, i'm totally ok with that too! Look above too.
2. Downloading the plugin for your server
.... yeah, isn't that what plugins are for? Anyways, its a completely free plugin and I just want to say thank you so much for downloading my plugins!
2.1: Claiming this plugin as your own
Just don't.. seriously. don't. I spent a pretty long time you know working on this. I have the credit of this plugin.