Imow-webapi

Fix
- Loosen the version requirements for dependency libs
- update the tested python version placed inside setup and PyPi to python 3.12

Fix
- validation of values in keyword arguments
BREAKING CHANGE
The iMow action `IMowActions.START_MOWING` now creates a `startMowing` action and no longer a `startMowingFromPoint` action.
To issue a `startMowingFromPoint`, the new `IMowAction.START_MOWING_FROM_POINT` needs to be used.

Added
- keywork arguments `starttime` and `endtime` in `IMow.intent()` call to be used with IMowActions.START_MOWING
- Updated Readme with `IMow.intent` exampes
- added debug log output in `intent()` call

- Bugfix http_session not present on logout

- remove unnecessary http_session closes

- Implement a logout function `ImowAPI.api_logout()`. Use within re-authentication

- Use more `async with`s