Add server version check

src/net/knarcraft/serverlauncher/server/Server.java

@@ -79,7 +79,12 @@ public class Server {
     }
 
     public void setServerVersion(String serverVersion) {
-        this.serverVersion = serverVersion;
+        String[] versions = this.type.getVersions();
+        for (String version : versions) {
+            if (version.equals(serverVersion)) {
+                this.serverVersion = serverVersion;
+            }
+        }
     }
 
     public void setMaxRam(String ram) {

test/ServerTest.java

@@ -43,13 +43,13 @@ public class ServerTest {
             if (server.isEnabled()) {
                 String path = server.getPath();
                 String type = server.getType();
-               /* try {
+               try {
                     server.downloadJar();
                     System.out.println("File downloaded.");
                 } catch (FileNotFoundException e) {
                     System.out.println("File was not found.");
                     return;
-                }*/
+                }
                 String ram = server.maxRam();
                 Runtime rt = Runtime.getRuntime();
                 try {