Pyasuswrt

What's Changed
* Improve exception management for not available LoadAvg info
* Update aiohttp requirement


**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.20...v0.1.21

What's Changed
* Round uptime last boot to minutes

**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.19...v0.1.20

What's Changed
* decreased default timeout to 5 seconds
* review uptime method error handling and return format
* add last boot property
* add logic to refresh mesh nodes at least every 60 seconds

**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.17...v0.1.19

What's Changed
* Add Load Average information
* Improve byte data retrieve

**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.16...v0.1.17

What's Changed
* Set default http timeout to 10 seconds to avoid timeout on multiple requests


**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.15...v0.1.16

What's Changed
- Return mesh nodes also when are off-line
- Add method to change hostname


**Full Changelog**: https://github.com/ollo69/pyasuswrt/compare/v0.1.14...v0.1.15