If the location is empty, don't try it. If the language string doesn't

exist, then don't try to parse it either and return an empty string.

src/main/java/com/graywolf336/jail/JailIO.java

@@ -88,11 +88,13 @@ public class JailIO {
 	 * 
 	 * @param langString Which {@link LangString} we should be getting to send.
 	 * @param variables All the variables to replace, in order from 0 to however many.
-	 * @return The message as a colorful message.
+	 * @return The message as a colorful message or an empty message if that isn't defined in the language file.
 	 */
 	public String getLanguageString(LangString langString, String... variables) {
 		String message = lang.getString("language." + langString.toString().toLowerCase());
 		
+		if(message == null) return "";
+		
 		for (int i = 0; i < variables.length; i++) {
 			message = message.replaceAll("%" + i + "%", variables[i]);
 		}

src/main/java/com/graywolf336/jail/beans/Prisoner.java

@@ -123,6 +123,7 @@ public class Prisoner {
 	/** Sets the previous location of this player from a comma separated string. */
 	public void setPreviousPosition(String location) {
 		if(location == null) return;
+		if(location.isEmpty()) return;
 		
 		String[] s = location.split(",");
 		this.previousPosition = new Location(Bukkit.getWorld(s[0]),