Add packages fix SBCL warnings

Signed-off-by: Zlatozar Zhelyazkov <zlatozar@gmail.com>
Fix TABs in makefile-mode

Signed-off-by: Zlatozar Zhelyazkov <zlatozar@gmail.com>
Add Clojure tools

Signed-off-by: Zlatozar Zhelyazkov <zlatozar@gmail.com>
Add Python flake8 configuration

Signed-off-by: Zlatozar Zhelyazkov <zlatozar@gmail.com>