v0.4.4

TuringCallbacks v0.4.4

Diff since v0.4.3

New version compatible with Turing 0.39. No other changes.

Merged pull requests:

• Update DocsNav.yml (#55) (@shravanngoswamii)
• Documentation and Turing Navigation CI improvement (#59) (@shravanngoswamii)
• update to latest turing (#64) (@penelopeysm)