add hashcodes/equals to command issuers

bukkit/src/main/java/co/aikar/commands/BukkitCommandIssuer.java

@@ -27,6 +27,8 @@ import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
+import java.util.Objects;
+
 public class BukkitCommandIssuer implements CommandIssuer {
     private final BukkitCommandManager manager;
     private final CommandSender sender;
@@ -61,4 +63,17 @@ public class BukkitCommandIssuer implements CommandIssuer {
     public boolean hasPermission(String name) {
         return sender.hasPermission(name);
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        BukkitCommandIssuer that = (BukkitCommandIssuer) o;
+        return Objects.equals(sender, that.sender);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(sender);
+    }
 }

bungee/src/main/java/co/aikar/commands/BungeeCommandIssuer.java

@@ -27,6 +27,8 @@ import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.chat.TextComponent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
+import java.util.Objects;
+
 public class BungeeCommandIssuer implements CommandIssuer{
     private final BungeeCommandManager manager;
     private final CommandSender sender;
@@ -62,4 +64,18 @@ public class BungeeCommandIssuer implements CommandIssuer{
     public boolean hasPermission(String name) {
         return sender.hasPermission(name);
     }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        BungeeCommandIssuer that = (BungeeCommandIssuer) o;
+        return Objects.equals(sender, that.sender);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(sender);
+    }
 }

sponge/src/main/java/co/aikar/commands/SpongeCommandIssuer.java

@@ -29,6 +29,8 @@ import org.spongepowered.api.text.Text;
 import org.spongepowered.api.text.format.TextColors;
 import org.spongepowered.api.text.serializer.TextSerializers;
 
+import java.util.Objects;
+
 public class SpongeCommandIssuer implements CommandIssuer {
 
     private final SpongeCommandManager manager;
@@ -64,4 +66,18 @@ public class SpongeCommandIssuer implements CommandIssuer {
     public boolean hasPermission(final String permission) {
         return this.source.hasPermission(permission);
     }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        SpongeCommandIssuer that = (SpongeCommandIssuer) o;
+        return Objects.equals(source, that.source);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(source);
+    }
 }