Minor fix

src/endpoints/user.js

 
         return res.json(user)
     } catch (e) {
-        return res.status(404).send('User not found!')
+        next(e)
     }
 }
 
 
         return res.status(201).json(newUser)
     } catch (e) {
-        return res.status(500).send(e.message)
+        next(e)
     }
 }
 
 
         return res.status(200).send('User updated successfully')
     } catch (e) {
-        return res.status(500).send(e.message)
+        next(e)
     }
 }
 
         }
         return res.status(200).send('user contacts updated successfully')
     } catch (e) {
-        return res.status(500).send(e.message)
+        next(e)
     }
 }
 
 
         return res.status(204).send('Deleting user with id of ' + id)
     } catch (e) {
-        return res.status(500).send(e.message)
+        next(e)
     }
 }