Release v3.2.0

- Fix: Reliably auto-reconnect after restarting BGAPI device. Fixes a bug in
  first attempt at auto-reconnection, only worked in some environments. (peplin#144)
- Fix: Remove spurious "no handler for logger" warnings (peplin#143)
- Fix: Use enum-compat instead of enum34, to fix installation in Python 3.4+
- Feature: Limit search window size for GATTTool backend, to avoid high CPU
  usage for long running connections. (peplin#123)
- Feature: Add support for write commands to BGAPIBackend (peplin#115)

Convert docs to RST.

Release v3.1.0.

* Fix: Support platforms without `termios` (Windows)
* Feature: Add `char_read_handle` to GATTTool backend.
* Improvement: Warn if `hcitool` requires a sudo authentication.
* Improvement: Allow BGAPI device more time to reboot for more reliable
  discovery.
* Improvement: Interpret "invalid file descriptor" as a disconnect event.
* Fix: Correctly handle service class UUIDs that aren't 16 bytes.
* Improvement: Support BLE devices with any UTF8 character.
* Improvement: Make gatttol prompt timeout configurable.
* Improvement: Gracefully stop `lescan` to avoid leaving the adapter in a bad
  state.
* Improvement: Allow custom timeout for discovery on GATTTool backend.
* Fix: Make sure responses to char reads on BGAPI backend are from the requested
  handle.
* Improvement: Raise and exception if trying to instantiate the GATTTool backend
  in Windows.
* Improvement: If no BGAPI device attached, abort immediately.
* Fix: Use user's configured HCI device for connection and scanning in GATTTool
  backend.

Python 3 support and performance improvements.

Improved gatttool performance.

Fix packaged release and add minor notification improvements.

New API with support for multiple BLE adapters.