Update version strings + add constant

README.md

@@ -25,7 +25,7 @@ It is sufficient to run `./gradlew build` to run the full build cycle.
 ## Status
 
 Velocity is far from finished, but most of the essential pieces are in place:
-you can switch between two servers running Minecraft 1.9-1.13. More versions
+you can switch between two servers running Minecraft 1.8-1.13. More versions
 and functionality is planned.
 
 You should join us on **irc.spi.gt** `#velocity` or send us a pull request.

proxy/src/main/java/com/velocitypowered/proxy/connection/client/StatusSessionHandler.java

@@ -4,6 +4,7 @@ import com.google.common.base.Preconditions;
 import com.velocitypowered.proxy.VelocityServer;
 import com.velocitypowered.proxy.config.VelocityConfiguration;
 import com.velocitypowered.proxy.protocol.MinecraftPacket;
+import com.velocitypowered.proxy.protocol.ProtocolConstants;
 import com.velocitypowered.proxy.protocol.packet.StatusPing;
 import com.velocitypowered.proxy.protocol.packet.StatusRequest;
 import com.velocitypowered.proxy.protocol.packet.StatusResponse;
@@ -35,7 +36,7 @@ public class StatusSessionHandler implements MinecraftSessionHandler {
 
         // Status request
         ServerPing ping = new ServerPing(
-                new ServerPing.Version(connection.getProtocolVersion(), "Velocity 1.9-1.13"),
+                new ServerPing.Version(connection.getProtocolVersion(), "Velocity " + ProtocolConstants.SUPPORTED_GENERIC_VERSION_STRING),
                 new ServerPing.Players(0, configuration.getShowMaxPlayers()),
                 configuration.getMotdComponent(),
                 null

proxy/src/main/java/com/velocitypowered/proxy/protocol/ProtocolConstants.java

@@ -17,6 +17,9 @@ public enum ProtocolConstants { ;
     public static final int MINECRAFT_1_13 = 393;
 
     public static final int MINIMUM_GENERIC_VERSION = MINECRAFT_1_8;
+    public static final int MAXIMUM_GENERIC_VERSION = MINECRAFT_1_13;
+
+    public static final String SUPPORTED_GENERIC_VERSION_STRING = "1.8-1.13";
 
     public static final int[] SUPPORTED_VERSIONS = new int[] {
             MINECRAFT_1_8,