diff --git a/pom.xml b/pom.xml
index 6f8a492..c6530a0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>net.knarcraft.minecraftserverlauncher</groupId>
     <artifactId>minecraft-server-launcher</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/profile/Profile.java b/src/main/java/net/knarcraft/minecraftserverlauncher/profile/Profile.java
index b68cf75..ce12b67 100644
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/profile/Profile.java
+++ b/src/main/java/net/knarcraft/minecraftserverlauncher/profile/Profile.java
@@ -326,7 +326,11 @@ public class Profile implements java.io.Serializable {
             ServerTab serverTab = collection.getServerTab();
             server.setPath(serverTab.getPath());
             server.setMaxRam(serverTab.getMaxRam());
-            server.setType(ServerTypeHandler.getByName(serverTab.getType()));
+            try {
+                server.setType(ServerTypeHandler.getByName(serverTab.getType()));
+            } catch (ConfigurationException e) {
+                e.printStackTrace();
+            }
             try {
                 server.setServerVersion(serverTab.getVersion());
             } catch (IllegalArgumentException e) {
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/server/Server.java b/src/main/java/net/knarcraft/minecraftserverlauncher/server/Server.java
index 7d104ef..ef0358e 100644
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/server/Server.java
+++ b/src/main/java/net/knarcraft/minecraftserverlauncher/server/Server.java
@@ -5,6 +5,7 @@ import net.knarcraft.minecraftserverlauncher.profile.Collection;
 import net.knarcraft.minecraftserverlauncher.profile.Profile;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.ServerType;
 
+import javax.naming.ConfigurationException;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
@@ -73,7 +74,7 @@ public class Server implements java.io.Serializable {
      * @param serverVersion        <p>The currently selected server version for the given server type</p>
      * @param maxRam               <p>The maximum amount of ram the server is allowed to use</p>
      */
-    public Server(String name, String path, boolean enabled, String typeName, String serverVersion, String maxRam) {
+    public Server(String name, String path, boolean enabled, String typeName, String serverVersion, String maxRam) throws ConfigurationException {
         this.name = name;
         this.path = path;
         this.enabled = enabled;
@@ -133,7 +134,7 @@ public class Server implements java.io.Serializable {
      * @param saveString <p>The string containing necessary data regarding the server</p>
      * @return <p>A server in the same state it was saved in</p>
      */
-    public static Server fromString(String saveString) {
+    public static Server fromString(String saveString) throws ConfigurationException {
         String[] data = saveString.split(";");
         return new Server(data[0], data[1], Boolean.parseBoolean(data[2]), data[3], data[4], data[5]);
     }
@@ -385,7 +386,7 @@ public class Server implements java.io.Serializable {
         } else {
             serverFile = this.type.getName() + serverVersion + ".jar";
         }
-        if (Profile.getCurrent().getDownloadAllAvailableJARFiles() && !type.getName().equals("Custom")) {
+        if (!type.getName().equals("Custom")) {
             serverPath = jarDirectory + serverFile;
         } else {
             serverPath = this.path + File.separator + serverFile;
@@ -444,9 +445,11 @@ public class Server implements java.io.Serializable {
      * @throws FileNotFoundException <p>If the file was not found and could not be acquired</p>
      */
     private void downloadJar() throws IOException {
-        String path = this.path + File.separator;
+        String path;
         if (this.type.getName().equals("Custom")) {
-            path += this.serverVersion;
+            path = this.path + File.separator + this.serverVersion;
+        } else {
+            path = jarDirectory;
         }
         File file = new File(path);
         if (!(file.isFile() || type.downloadJar(path, this.serverVersion))) {
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandler.java b/src/main/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandler.java
index d1fcef9..ce5c4f2 100644
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandler.java
+++ b/src/main/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandler.java
@@ -6,7 +6,6 @@ import net.knarcraft.minecraftserverlauncher.server.servertypes.Custom;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.MCPCPlus;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.Paper;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.ServerType;
-import net.knarcraft.minecraftserverlauncher.server.servertypes.Snapshot;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.Spigot;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.SpongeVanilla;
 import net.knarcraft.minecraftserverlauncher.server.servertypes.Travertine;
@@ -33,6 +32,9 @@ public class ServerTypeHandler {
      * @return    <p>A list of strings</p>
      */
     public static String[] getTypeNames() throws ConfigurationException {
+        if (serverTypes.isEmpty()) {
+            loadServerTypes();
+        }
         ArrayList<ServerType> types = getServerTypes();
         String[] serverTypeNames = new String[types.size()];
         for (int i = 0; i < types.size(); i++) {
@@ -59,7 +61,10 @@ public class ServerTypeHandler {
      * @param name <p>Then name of the server type</p>
      * @return <p>A AbstractServerType</p>
      */
-    public static ServerType getByName(String name) {
+    public static ServerType getByName(String name) throws ConfigurationException {
+        if (serverTypes.isEmpty()) {
+            loadServerTypes();
+        }
         for (ServerType serverType : serverTypes) {
             if (serverType.getName().equals(name)) {
                 return serverType;
@@ -117,10 +122,6 @@ public class ServerTypeHandler {
                 newType = new Vanilla("Vanilla", false, serverVersions, serverTypeInfo[2],
                         serverTypeInfo[3]);
                 break;
-            case "Snapshot":
-                newType = new Snapshot("Snapshot", false, serverVersions, serverTypeInfo[2],
-                        serverTypeInfo[3]);
-                break;
             case "MCPCplus":
                 newType = new MCPCPlus("MCPCplus", false, serverVersions, serverTypeInfo[2],
                         serverTypeInfo[3]);
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/CraftBukkit.java b/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/CraftBukkit.java
index a1313e2..a56e389 100644
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/CraftBukkit.java
+++ b/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/CraftBukkit.java
@@ -5,6 +5,9 @@ import java.nio.file.Paths;
 
 import static net.knarcraft.minecraftserverlauncher.utility.CommonFunctions.downloadFile;
 
+/**
+ * This class represents the CraftBukkit Minecraft server type
+ */
 public class CraftBukkit extends AbstractServerType {
 
     private String downloadURLPart;
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Snapshot.java b/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Snapshot.java
deleted file mode 100644
index 6e172b2..0000000
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Snapshot.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package net.knarcraft.minecraftserverlauncher.server.servertypes;
-
-public class Snapshot extends Vanilla {
-
-    /**
-     * Instantiates a snapshot server type
-     *
-     * @param typeName    <p>The name of this server type</p>
-     * @param isProxy     <p>Whether this server type is a proxy server</p>
-     * @param versions    <p>Available versions for this server type</p>
-     * @param versionURL  <p>The URL used for downloading the version document</p>
-     * @param downloadURL <p>The URL used for downloading the new file</p>
-     */
-    public Snapshot(String typeName, boolean isProxy, String[] versions, String versionURL, String downloadURL) {
-        super(typeName, isProxy, versions, versionURL, downloadURL);
-        this.releaseType = "snapshot";
-    }
-
-}
diff --git a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Vanilla.java b/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Vanilla.java
index 365277f..fd2a5b7 100644
--- a/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Vanilla.java
+++ b/src/main/java/net/knarcraft/minecraftserverlauncher/server/servertypes/Vanilla.java
@@ -13,11 +13,14 @@ import java.nio.file.Paths;
 import static net.knarcraft.minecraftserverlauncher.utility.CommonFunctions.downloadFile;
 import static net.knarcraft.minecraftserverlauncher.utility.CommonFunctions.readFile;
 
+/**
+ * This class represents the regular vanilla server type
+ */
 public class Vanilla extends AbstractServerType {
 
     private final String versionURL;
-    String releaseType;
-    private String lastVersion;
+    private String lastVanillaVersion;
+    private String lastSnapshotVersion;
 
     /**
      * Instantiates a vanilla server type
@@ -31,33 +34,51 @@ public class Vanilla extends AbstractServerType {
     public Vanilla(String typeName, boolean isProxy, String[] versions, String versionURL, String downloadURL) {
         super(typeName, isProxy, versions, downloadURL);
         this.versionURL = versionURL;
-        this.releaseType = "release";
     }
 
     @Override
     public boolean downloadJar(String folder, String version) throws IOException {
         String file = this.getName() + version + ".jar";
         File filePath = new File(folder + file);
-        if (version.equals("Latest")) {
-            String[] latestData = getLatestFile();
-            String latest = latestData[0];
-            String jarFile = latestData[1];
-            String currentVersion = lastVersion;
-            lastVersion = latest;
-            return (filePath.isFile() && latest.equals(currentVersion)) || downloadFile(jarFile, Paths.get(filePath.toURI()));
+        if (version.equals("Latest") || version.equals("Snapshot")) {
+            String releaseType = version.equals("Latest") ? "release" : "snapshot";
+            String lastVersion = version.equals("Latest") ? lastVanillaVersion : lastSnapshotVersion;
+            return downloadLatestJar(filePath, releaseType, lastVersion);
         } else {
             String downloadURL = getVanillaDownloadURL(getServerFileVersionURL(version));
             return filePath.isFile() || downloadFile(downloadURL, Paths.get(filePath.toURI()));
         }
     }
 
+    /**
+     * Downloads the latest .jar file found if necessary
+     *
+     * @param filePath    <p>The path of the jar file to download</p>
+     * @param releaseType <p>The release type used for downloading</p>
+     * @param lastVersion <p>The last server version found</p>
+     * @return <p>True if the jar exists and is the latest version or was downloaded</p>
+     * @throws IOException <p>If the .jar cannot be downloaded</p>
+     */
+    private boolean downloadLatestJar(File filePath, String releaseType, String lastVersion) throws IOException {
+        String[] latestData = getLatestFile(releaseType);
+        String latest = latestData[0];
+        String jarFile = latestData[1];
+        if (releaseType.equals("release")) {
+            lastVanillaVersion = latest;
+        } else {
+            lastSnapshotVersion = latest;
+        }
+        return (filePath.isFile() && latest.equals(lastVersion)) || downloadFile(jarFile, Paths.get(filePath.toURI()));
+    }
+
     /**
      * Gets the URL to the .jar file for the newest version
      *
+     * @param releaseType <p>The type of release to read latest version from</p>
      * @return <p>An array containing the latest version and a link to its file</p>
      * @throws IOException <p>If the remote resource cannot be readFromServer</p>
      */
-    private String[] getLatestFile() throws IOException {
+    private String[] getLatestFile(String releaseType) throws IOException {
         String versionText = readFile(versionURL);
         JsonObject jsonObject = new JsonParser().parse(versionText).getAsJsonObject();
         String latest = jsonObject.getAsJsonObject("latest").get(releaseType).getAsString();
diff --git a/src/main/resources/servertypes.csv b/src/main/resources/servertypes.csv
index 535be3b..0e6ac59 100644
--- a/src/main/resources/servertypes.csv
+++ b/src/main/resources/servertypes.csv
@@ -6,6 +6,5 @@ Paper;1.16.1,1.15.2,1.14.4,1.13.2,1.12.2,1.11.2,1.10.2,1.9.4,1.8.8;https://stati
 Bungee;Latest;https://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/;Artifacts of BungeeCord #; ;http://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/BungeeCord.jar
 Waterfall;Latest;https://papermc.io/api/v1/waterfall/1.16;"latest":";";https://papermc.io/api/v1/waterfall/1.16/
 Travertine;Latest;https://papermc.io/api/v1/travertine/1.16;"latest":";";https://papermc.io/api/v1/travertine/1.16/
-Snapshot;Latest;https://launchermeta.mojang.com/mc/game/version_manifest.json;"snapshot":";";https://s3.amazonaws.com/Minecraft.Download/versions/
-Vanilla;Latest,1.16.1,1.15.2,1.14.4,1.13.2,1.12.2,1.11.2,1.10.2,1.9.4,1.8.9,1.7.10,1.6.4,1.5.2,1.4.7,1.3.2,1.2.5;https://launchermeta.mojang.com/mc/game/version_manifest.json;"release":";";https://s3.amazonaws.com/Minecraft.Download/versions/
+Vanilla;Latest,Snapshot,1.16.1,1.15.2,1.14.4,1.13.2,1.12.2,1.11.2,1.10.2,1.9.4,1.8.9,1.7.10,1.6.4,1.5.2,1.4.7,1.3.2,1.2.5;https://launchermeta.mojang.com/mc/game/version_manifest.json;"release":";";https://s3.amazonaws.com/Minecraft.Download/versions/
 Custom;;
\ No newline at end of file
diff --git a/src/test/java/net/knarcraft/minecraftserverlauncher/DownloadTests.java b/src/test/java/net/knarcraft/minecraftserverlauncher/DownloadTests.java
deleted file mode 100644
index b2afd3d..0000000
--- a/src/test/java/net/knarcraft/minecraftserverlauncher/DownloadTests.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package net.knarcraft.minecraftserverlauncher;
-
-import net.knarcraft.minecraftserverlauncher.userinterface.FakeGUI;
-import net.knarcraft.minecraftserverlauncher.utility.JarDownloader;
-import org.junit.Test;
-
-import java.io.File;
-import java.io.IOException;
-
-public class DownloadTests {
-
-    @Test
-    public void downloadJarsTest() throws IOException {
-        String targetDirectory = Main.getApplicationWorkDirectory() + File.separator + "files" + File.separator + "testjars" + File.separator;
-        JarDownloader downloader = new JarDownloader(new FakeGUI(), targetDirectory);
-        downloader.downloadJars();
-    }
-}
diff --git a/src/test/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandlerTest.java b/src/test/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandlerTest.java
new file mode 100644
index 0000000..d466cfb
--- /dev/null
+++ b/src/test/java/net/knarcraft/minecraftserverlauncher/server/ServerTypeHandlerTest.java
@@ -0,0 +1,38 @@
+package net.knarcraft.minecraftserverlauncher.server;
+
+import net.knarcraft.minecraftserverlauncher.server.servertypes.ServerType;
+import org.junit.Test;
+
+import javax.naming.ConfigurationException;
+
+import java.util.Arrays;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class ServerTypeHandlerTest {
+
+    @Test
+    public void getTypeNamesTest() throws ConfigurationException {
+        String[] serverTypeNames = ServerTypeHandler.getTypeNames();
+
+        String[] typeNames = new String[serverTypeNames.length];
+        int index = 0;
+        for (ServerType serverType : ServerTypeHandler.getServerTypes()) {
+            typeNames[index++] = serverType.getName();
+        }
+        assertEquals(Arrays.asList(typeNames), Arrays.asList(serverTypeNames));
+    }
+
+    @Test
+    public void getTypeFromNameTest() throws ConfigurationException {
+        ServerType targetType = null;
+        for (ServerType serverType : ServerTypeHandler.getServerTypes()) {
+            if (serverType.getName().equals("Vanilla")) {
+                targetType = serverType;
+            }
+        }
+        ServerType typeFromName = ServerTypeHandler.getByName("Vanilla");
+        assertEquals(targetType, typeFromName);
+    }
+
+}
diff --git a/src/test/java/net/knarcraft/minecraftserverlauncher/Tests.java b/src/test/java/net/knarcraft/minecraftserverlauncher/utility/CommonFunctionsTest.java
similarity index 74%
rename from src/test/java/net/knarcraft/minecraftserverlauncher/Tests.java
rename to src/test/java/net/knarcraft/minecraftserverlauncher/utility/CommonFunctionsTest.java
index 61f95d5..6a74f0f 100644
--- a/src/test/java/net/knarcraft/minecraftserverlauncher/Tests.java
+++ b/src/test/java/net/knarcraft/minecraftserverlauncher/utility/CommonFunctionsTest.java
@@ -1,4 +1,4 @@
-package net.knarcraft.minecraftserverlauncher;
+package net.knarcraft.minecraftserverlauncher.utility;
 
 import net.knarcraft.minecraftserverlauncher.profile.Profile;
 import org.junit.Test;
@@ -8,16 +8,16 @@ import java.io.FileNotFoundException;
 import static net.knarcraft.minecraftserverlauncher.utility.CommonFunctions.stringBetween;
 import static org.junit.Assert.assertEquals;
 
-public class Tests {
+public class CommonFunctionsTest {
 
     @Test
-    public void saveProfile() throws FileNotFoundException { //Make sure we can write profiles to disk
+    public void saveProfileTest() throws FileNotFoundException {
         Profile.addProfile("Test");
         Profile.getCurrent().save();
     }
 
     @Test
-    public void stringBetweenTest() { //Make sure stringBetween is not creating exceptions
+    public void stringBetweenTest() {
         String substring = stringBetween("fish'nchips", "f", "'");
         assertEquals("ish", substring);
         substring = stringBetween("something", "whale", "fish");
diff --git a/src/test/java/net/knarcraft/minecraftserverlauncher/utility/JarDownloaderTest.java b/src/test/java/net/knarcraft/minecraftserverlauncher/utility/JarDownloaderTest.java
new file mode 100644
index 0000000..157eecb
--- /dev/null
+++ b/src/test/java/net/knarcraft/minecraftserverlauncher/utility/JarDownloaderTest.java
@@ -0,0 +1,111 @@
+package net.knarcraft.minecraftserverlauncher.utility;
+
+import net.knarcraft.minecraftserverlauncher.Main;
+import net.knarcraft.minecraftserverlauncher.server.ServerTypeHandler;
+import net.knarcraft.minecraftserverlauncher.server.servertypes.ServerType;
+import net.knarcraft.minecraftserverlauncher.userinterface.FakeGUI;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import javax.naming.ConfigurationException;
+import java.io.File;
+import java.io.IOException;
+
+import static junit.framework.TestCase.assertNotNull;
+import static junit.framework.TestCase.assertTrue;
+
+public class JarDownloaderTest {
+    private static String targetDirectory;
+
+    @BeforeClass
+    public static void setUp() {
+        targetDirectory = Main.getApplicationWorkDirectory() + File.separator + "files" + File.separator +
+                "testjars" + File.separator;
+        removeDownloadedFiles();
+    }
+
+    @AfterClass
+    public static void cleanUp() {
+        removeDownloadedFiles();
+    }
+
+    @Test
+    public void downloadJarsTest() throws IOException {
+        JarDownloader downloader = new JarDownloader(new FakeGUI(), targetDirectory);
+        downloader.downloadJars();
+    }
+
+    @Test
+    public void spongeVanillaDownloadTest() throws IOException, ConfigurationException {
+        singleDownloadTest(ServerTypeHandler.getByName("SpongeVanilla"));
+    }
+
+    @Test
+    public void spigotDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Spigot"));
+    }
+
+    @Test
+    public void mcpcPlusDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("MCPCplus"));
+    }
+
+    @Test
+    public void craftbukkitDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Bukkit"));
+    }
+
+    @Test
+    public void paperDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Paper"));
+    }
+
+    @Test
+    public void bungeeDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Bungee"));
+    }
+
+    @Test
+    public void waterfallDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Waterfall"));
+    }
+
+    @Test
+    public void travertineDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Travertine"));
+    }
+
+    @Test
+    public void vanillaDownloadTest() throws ConfigurationException, IOException {
+        singleDownloadTest(ServerTypeHandler.getByName("Vanilla"));
+    }
+
+    /**
+     * Downloads all .jar files for a single server type and asserts it works
+     *
+     * @param serverType <p>The server type to test</p>
+     * @throws IOException <p>If unable to download any of the .jar files</p>
+     */
+    private void singleDownloadTest(ServerType serverType) throws IOException {
+        assertNotNull(serverType);
+        for (String serverVersion : serverType.getVersions()) {
+            System.out.println("Downloading " + serverType.getName() + serverVersion + ".jar");
+            serverType.downloadJar(targetDirectory, serverVersion);
+            assertTrue(new File(targetDirectory + serverType.getName() + serverVersion + ".jar").exists());
+        }
+    }
+
+    /**
+     * Removes downloaded test jars
+     */
+    private static void removeDownloadedFiles() {
+        File[] oldFiles = new File(targetDirectory).listFiles();
+        if (oldFiles == null) {
+            throw new IllegalArgumentException("Unable to list files in jar test directory");
+        }
+        for (File file : oldFiles) {
+            assertTrue(file.delete());
+        }
+    }
+}