Merge pull request hbldh#303 from hbldh/release/v0.8.0-2

A follow up changed, pre-release of version 0.8.0.

Merge pull request hbldh#245 from hbldh/release/v0.7.1

Release/v0.7.1

Merge pull request hbldh#232 from hbldh/release/v0.7.0

Release of version 0.7.0 of bleak.

Version 0.6.4

Merge pull request hbldh#198 from hbldh/release/v0.6.3

Release/v0.6.3

Merge pull request hbldh#193 from hbldh/release/0.6.2

Version 0.6.2

Better cleanup of Bluez notifications (merges hbldh#154 and fixes hbldh#130 )
Fix for read_gatt_char in Core Bluetooth (fixes hbldh#177)
Fix for is_disconnected in Core Bluetooth (merges hbldh#187 and fixes hbldh#185)
Added disconnection_callback functionality for Core Bluetooth (merges hbldh#186 and fixes hbldh#184)
Documentation fixes
Added requirements.txt

Version 0.6.1 - Merge pull request hbldh#165 from hbldh/release/v0.6.1

Version 0.6.0 - Merge pull request hbldh#164 from hbldh/release/v0.6.0

Version 0.5.1

Bugfixes and improvements of client behaviour.

Merged hbldh#117
Merged hbldh#99
Merged hbldh#100
Fixes hbldh#101
Fixes hbldh#98
Fixes hbldh#104
Further fixes for hbldh#69, hbldh#83 and hbldh#86

Version 0.5.0

macOS support added (thanks to @kevincar)
Merged hbldh#80: macOS development
Merged hbldh#90 which fixed hbldh#89: Leaking callbacks in BlueZ
Merged hbldh#92 which fixed hbldh#91, Prevent leaking of DBus connections on discovery
Merged hbldh#96: Regex patterns
Merged hbldh#86 which fixed hbldh#83 and hbldh#82
Recovered old .NET discovery method to try for hbldh#95