Update v0.2.0

[kevincar]

Bugs Fixed

• Do not requires handles to be initialized Service and Characteristic Handles #29
• Code consistency between characteristic properties and permissions enums Characteristic Attributes #31
• Appropriately assign the correct protection level to characteristics on DotNet Characteristic Protection Level #35
• uuids are passed through UUID to ensure querying for services and characteristics is not case-sensitive Case Sensitive UUID #10

Code Changes

• Using Black formatting
• Create Bless objects for bluez backend that mirrors more closely to CoreBluetooth and DotNet backends Separate Bless and BlueZ Objects #37
• Allow bless characteristics and services to be initialized before being added to the server Independent Characteristic Objects #32 Independent Service Objects #33

Features

• Define services and characteristics easily using a signal dictionary object Dictionary Service Tree #42