Makes a whole lot of changes

Adds some new tests
Improves plugin command handling by using one class for each command
Makes some changes to vehicle teleportation to support horses and pigs, but vehicle teleportation is still buggy and messy
Adds some more missing comments
Adds a wildcard permission and uses built-in permissions some places to avoid checking for three different permissions

src/main/resources/plugin.yml

@@ -8,10 +8,26 @@ website: https://knarcraft.net
 api-version: 1.16
 softdepend: [Vault]
 commands:
-  sg:
-    description: Used to reload the plugin. Console use only.
-    usage: /<command> reload - Used to reload the plugin. Console use only.
+  stargate:
+    aliases:
+      - sg
+    description: Used to see stargate info
+    usage: /<command> <reload/about> - Used to see stargate info or reload the plugin
 permissions:
+  stargate.*:
+    description: Wildcard permission
+    default: op
+    children:
+      stargate.use: true
+      stargate.create: true
+      stargate.destroy: true
+      stargate.free: true
+      stargate.option: true
+      stargate.admin: true
+      stargate.reload: true
+  stargate.reload:
+    description: Allows reloading the plugin
+    default: false
   stargate.use:
     description: Allow use of all gates linking to any world in any network
     default: true
@@ -29,4 +45,6 @@ permissions:
     default: op
   stargate.admin:
     description: Allow all admin features (Hidden/Private only so far)
-    default: op
+    default: op
+    children:
+      stargate.reload: true