changelog: add @alex3d to the CONTRIBUTORS list

changelog.rst

@@ -17,13 +17,15 @@ CONTRIBUTORS
 - `kkrasovskii`_
 - `V0idk`_
 - `Bruno Inec`_
+- `alex3d`_
 
 CHANGELOG
 =========
 
-- v.0.X.Y (`V0idk`_, `Bruno Inec`_)
+- v.0.X.Y (`V0idk`_, `Bruno Inec`_, `alex3d`_)
     + Remove the potential deadlock that is associated with threading.Lock (`#231`_)
     + Remove the hidden modification of the logger in cases where a custom logger is used. (`#250`_)
+    + Speed up the bulk transfer (`#247`_)
 
 - v.0.4.0 (`Pahaz`_)
     + Change the daemon mod flag for all tunnel threads (is not fully backward compatible) to prevent unexpected hangs (`#219`_)
@@ -165,6 +167,7 @@ CHANGELOG
 .. _kkrasovskii: https://github.com/kkrasovskii
 .. _V0idk: https://github.com/V0idk
 .. _Bruno Inec: https://github.com/sweenu
+.. _alex3d: https://github.com/alex3d
 .. _#13: https://github.com/pahaz/sshtunnel/issues/13
 .. _#16: https://github.com/pahaz/sshtunnel/issues/16
 .. _#19: https://github.com/pahaz/sshtunnel/issues/19
@@ -186,5 +189,6 @@ CHANGELOG
 .. _#211: https://github.com/pahaz/sshtunnel/issues/211
 .. _#219: https://github.com/pahaz/sshtunnel/issues/219
 .. _#231: https://github.com/pahaz/sshtunnel/issues/231
+.. _#247: https://github.com/pahaz/sshtunnel/issues/247
 .. _#250: https://github.com/pahaz/sshtunnel/issues/250
 .. _detail: https://github.com/pahaz/sshtunnel/commit/64af238b799b0e0057c4f9b386cda247e0006da9#diff-76bc1662a114401c2954deb92b740081R127