Added refresh button

Other changes:
- Max length in TextInput os not omptimized.
- Buttons do not have to have ID's.
- Binded properly delete button.

Author: AnonymousX86

python_password/PyPassword.kv

@@ -98,7 +98,6 @@ Screen:
                             on_text_validate: app.validate_input(self, 6)
 
                         MDFillRoundFlatIconButton:
-                            id: btn_add_password
                             size_hint_x: 1
                             text: 'Add password'
                             icon: 'key-plus'
@@ -113,14 +112,13 @@ Screen:
                             helper_text_mode: 'on_error'
                             mode: 'rectangle'
                             required: False
-                            max_text_length: 16
                             password: False
 
                         MDFillRoundFlatIconButton:
-                            id: btn_del_password
                             size_hint_x: 1
                             text: 'Remove password'
                             icon: 'key-minus'
+                            on_release: app.del_password()
 
                         MDSeparator:
 
@@ -130,6 +128,14 @@ Screen:
                             halign: 'center'
                             valign: 'middle'
 
+                        MDSeparator:
+
+                        MDFillRoundFlatIconButton:
+                            size_hint_x: 1
+                            text: 'Refresh'
+                            icon: 'refresh'
+                            on_release: app.update_passwords()
+
             Screen:
                 name: 'settings'