Huawei-solar

Bump huawei-solar library to v2.0.2, which fixes the re-login flow after an interruption of the initial session.

This release uses the new 'HuaweiSolarBridge' which moves a lot of the complexity into the huawei-solar library.

It also contains support for changing settings, all of which are related to use of battery storage.

[](https://user-images.githubusercontent.com/2150060/152701603-a4c2f69c-e139-4e4d-98ef-279f9fee37bf.png)
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* Add battery running status (34)
* Fix battery detection logic (35)

This release uses the new 'HuaweiSolarBridge' which moves a lot of the complexity into the huawei-solar library.

It also contains support for changing settings, all of which are related to use of battery storage.


Fixes in 1.0.0 alpha 3:
- Remove dysfunctional second Grid Active Power-entity from single power meter entities
- Improve handling of Slave Busy exception
- prevent multiple slaves running `update` at the same time
- Increase cooldown-time between requests from 0.01 to 0.05 seconds.

This release contains initial support for bundled modbus-requests: adjacent modbus registers are queried together with one request, instead of being queried one by one.