Prepare release v1.0.3

CHANGELOG.rst

@@ -6,18 +6,18 @@ All versions in this changelog have two entries: ``driver`` and ``firmware``. Th
 have the same version, as communication protocol might change between versions. In the firmware/driver there
 is a safeguard to prevent miscommunication.
 
-Under development
-=================
+Version 1.0.3
+=============
 
-These are the features which are currently under development, but not yet released.
+Bugfixes for several issues.
 
 * ``driver``:
 
   * ``encoder``: calculation of average speed has been correctd (#50).
 
 * ``cli``:
 
-  * ``install_litex``: Solved bug which prevented installation without the option ``--user``.
+  * ``install_litex``: Solved bug which prevented installation without the option ``--user`` (#47).
   * ``install_toolchain``: Auto-detection of both architecture and os. Command line options
     are only required when installing specific versions.