get() method now returns False instead of None, since the rest of the…

… library returns True and False values

pickledb.py

@@ -81,7 +81,7 @@ def get(self, key):
         try:
             return self.db[key]
         except KeyError:
-            return None
+            return False
 
     def getall(self):
         '''Return a list of all keys in db'''