Fix for Adding a new note to an unsaved file is possible
Fix for Adding a new note to an unsaved file is possible

That should solve:
https://github.com/botherder/viper/issues/292


```
:~/scripts/viper$ rm viper.db 
:~/scripts/viper$ rm -r binaries/
:~/scripts/viper$ python viper.py 

         _                   
        (_) 
   _   _ _ ____  _____  ____ 
  | | | | |  _ \| ___ |/ ___)
   \ V /| | |_| | ____| |    
    \_/ |_|  __/|_____)_| v1.3-dev
          |_|
    
You have 0 files in your default repository
viper > open -f web.py
[*] Session opened on web.py
viper web.py > notes -l
[!] The opened file doesn't appear to be in the database, have you stored it yet?
viper web.py > notes -a
[!] The opened file doesn't appear to be in the database, have you stored it yet?
viper web.py > notes -d 1
[!] The opened file doesn't appear to be in the database, have you stored it yet?
viper web.py > notes -e 2
[!] The opened file doesn't appear to be in the database, have you stored it yet?
viper web.py > store
[*] Session opened on 
[+] Stored file "web.py" to 
viper web.py > notes -a
Enter a title for the new note: asd
[*] New note with title "asd" added to the current file
viper web.py > notes -a
Enter a title for the new note: dasd
[*] New note with title "dasd" added to the current file
viper web.py > notes -l
+----+-------+
| ID | Title |
+----+-------+
| 1  | asd   |
| 2  | dasd  |
+----+-------+
```
Beercow/viper,Beercow/viper,cwtaylor/viper,jack51706/viper,kevthehermit/viper,kevthehermit/viper,MeteorAdminz/viper,jack51706/viper,MeteorAdminz/viper,postfix/viper-1,jahrome/viper,Beercow/viper,S2R2/viper,cwtaylor/viper,postfix/viper-1,jahrome/viper,S2R2/viper