update AUTHORS and HISTORY

Author: wwwjfy

AUTHORS.rst

@@ -36,6 +36,7 @@ Contributors
 * Julio Lacerda <julio.castro.lacerda@gmail.com>
 * qulaz <qulazwork@gmail.com>
 * Jim O'Brien <jim@greenfield.fm>
+* Ilaï Deutel <ilai-deutel@users.noreply.github.com>
 
 
 Special thanks to my wife Daisy and her outsourcing company `DecentFoX Studio`_,

HISTORY.rst

@@ -48,6 +48,7 @@ be removed in GINO 1.0.
 0.8.4 (TBD)
 ^^^^^^^^^^^
 
+* Added one() and one_or_none() (Contributed by Ilaï Deutel in #577)
 * Improved Starleet extension compatibility (Contributed by Jim O'Brien in #538)
 * Fixed Starlette connection release during exceptions issue (Contributed by qulaz in #533)
 * Fixed server event compatibility with Sanic 19.6.2 (Contributed by Julio Lacerda in #520)