Add OvenException for oven related internal exceptions

src/main/java/org/drtshock/OvenException.java

@@ -0,0 +1,12 @@
+package org.drtshock;
+
+/**
+ * Created by Joe Hirschfeld on 10/2/2015.
+ */
+public class OvenException extends Exception {
+
+    public OvenException(Exception internalException){
+        super(internalException);
+    }
+
+}

src/main/java/org/drtshock/Potato.java

@@ -72,8 +72,9 @@ public class Potato implements Tuber {
      * Checks if the potato is put into the oven.
      *
      * @return true if potato is in the oven, false if otherwise
+     * @throws OvenException if the oven encounters an internal exception
      */
-    public boolean isPutIntoOven() {
+    public boolean isPutIntoOven() throws OvenException {
         try {
             final URL url = new URL("https://www.google.com/search?q=potato");
             HttpURLConnection connection = (HttpURLConnection) url.openConnection();
@@ -82,8 +83,7 @@ public class Potato implements Tuber {
             int inOven = connection.getResponseCode();
             return inOven == 200;
         } catch (IOException ex) {
-            ex.printStackTrace();
-            return false;
+            throw new OvenException(ex);
         }
     }
 
@@ -93,7 +93,11 @@ public class Potato implements Tuber {
      * @return true if this potato is baked, false if otherwise
      */
     public boolean isBaked() {
-        return this.isPutIntoOven();
+        try {
+            return this.isPutIntoOven();
+        } catch (OvenException e) {
+            return false;
+        }
     }
 
     /**