The DefaultAdapter was a regular value, not a pointer-to-struct. This
meant that simply copying bluetooth.DefaultAdapter caused a copy of the
object itself (instead of a copy of the reference, as intended). This
meant that write events did not arrive.
There used to be GAP events (connect/disconnect). The main purpose for
these events was to allow applications to re-start advertisement when a
connection was lost - on nrf. Unfortunately things work differently on
Linux, which already has this behavior and for which I haven't yet
implemented these events. Therefore I have removed these events and
instead added code to automatically restart advertisement on connection
loss.
Supporting multiple (incoming) connections as a peripheral would be
useful, but is not currently supported.
All initialization can be done in the Enable call. This makes the API a
bit simpler and a bit more consistent between Nordic chips and other BLE
interfaces.
