update CHANGELOG and README for 1.15.4

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 ## Unreleased
 
+## 1.15.4 - 2020-11-27
+### Fixes
+- [2chan] skip external links
+- [hentainexus] fix extraction ([#1125](https://github.com/mikf/gallery-dl/issues/1125))
+- [mangadex] switch to API v2 ([#1129](https://github.com/mikf/gallery-dl/issues/1129))
+- [mangapanda] use http://
+- [mangoxo] fix extraction
+- [reddit] skip invalid gallery items ([#1127](https://github.com/mikf/gallery-dl/issues/1127))
+
 ## 1.15.3 - 2020-11-13
 ### Additions
 - [sankakucomplex] extract videos and embeds ([#308](https://github.com/mikf/gallery-dl/issues/308))

README.rst

@@ -83,8 +83,8 @@ Download a standalone executable file,
 put it into your `PATH <https://en.wikipedia.org/wiki/PATH_(variable)>`__,
 and run it inside a command prompt (like ``cmd.exe``).
 
-- `Windows <https://github.com/mikf/gallery-dl/releases/download/v1.15.3/gallery-dl.exe>`__
+- `Windows <https://github.com/mikf/gallery-dl/releases/download/v1.15.4/gallery-dl.exe>`__
-- `Linux   <https://github.com/mikf/gallery-dl/releases/download/v1.15.3/gallery-dl.bin>`__
+- `Linux   <https://github.com/mikf/gallery-dl/releases/download/v1.15.4/gallery-dl.bin>`__
 
 These executables include a Python 3.8 interpreter
 and all required Python packages.
@@ -308,7 +308,7 @@ access to *gallery-dl*. Authorize it and you will be shown one or more
 .. _gallery-dl-example.conf: https://github.com/mikf/gallery-dl/blob/master/docs/gallery-dl-example.conf
 .. _configuration.rst:       https://github.com/mikf/gallery-dl/blob/master/docs/configuration.rst
 .. _Supported Sites:         https://github.com/mikf/gallery-dl/blob/master/docs/supportedsites.rst
-.. _stable:                  https://github.com/mikf/gallery-dl/archive/v1.15.3.tar.gz
+.. _stable:                  https://github.com/mikf/gallery-dl/archive/v1.15.4.tar.gz
 .. _dev:                     https://github.com/mikf/gallery-dl/archive/master.tar.gz
 
 .. _Python:     https://www.python.org/downloads/