IO exceptions now pass up through UserNotValid

src/nodash/exceptions/NoUserNotValidException.java

@@ -17,5 +17,13 @@
 package nodash.exceptions;
 
 public class NoUserNotValidException extends NoDashException {
+  public NoUserNotValidException() {
+    super();
+  }
+  
+  public NoUserNotValidException(Exception e) {
+    super(e);
+  }
+
   private static final long serialVersionUID = -6432604940919299965L;
 }

src/nodash/models/NoSession.java

@@ -66,7 +66,7 @@ public final class NoSession implements Serializable {
       NoUtil.wipeChars(password);
       this.uuid = UUID.randomUUID().toString();
     } catch (IOException e) {
-      throw new NoUserNotValidException();
+      throw new NoUserNotValidException(e);
     } catch (IllegalBlockSizeException e) {
       throw new NoUserNotValidException();
     } catch (BadPaddingException e) {