Use stacklevel=2 for warnings, as this will correctly show the callsite
instead of the line where the warning is reported.
Currently:
```
kasa/__init__.py:110
/home/tpr/code/python-kasa/kasa/__init__.py:110: DeprecationWarning: SmartDevice is deprecated, use IotDevice from package kasa.iot instead or use Discover.discover_single() and Device.connect() to support new protocols
warn(
```
After:
```
kasa/tests/smart/modules/test_contact.py:3
/home/tpr/code/python-kasa/kasa/tests/smart/modules/test_contact.py:3: DeprecationWarning: SmartDevice is deprecated, use IotDevice from package kasa.iot instead or use Discover.discover_single() and Device.connect() to support new protocols
from kasa import Module, SmartDevice
```
Currently:
```
kasa/tests/test_lightstrip.py: 56 warnings
/home/tpr/code/python-kasa/kasa/device.py:559: DeprecationWarning: effect is deprecated, use: Module.LightEffect in device.modules instead
warn(msg, DeprecationWarning, stacklevel=1)
```
After:
```
kasa/tests/test_lightstrip.py::test_effects_lightstrip_set_effect_transition[500-KL430(US)_2.0_1.0.9.json]
/home/tpr/code/python-kasa/kasa/tests/test_lightstrip.py:62: DeprecationWarning: set_effect is deprecated, use: Module.LightEffect in device.modules instead
await dev.set_effect("Candy Cane")
```
Re-query failed modules after some delay instead of immediately disabling them.
Changes to features so they can still be created when modules are erroring.
