Fixed manifest

Author: spookylukey

MANIFEST.in

@@ -4,14 +4,17 @@ include *.md
 include *.rst
 include *.sh
 include *.yml
+include *.yaml
 include LICENSE
 include tox.ini
 include .editorconfig
 recursive-include docs *.bat
 recursive-include docs *.py
 recursive-include docs *.rst
 recursive-include docs Makefile
+include docs/*.txt
 recursive-include tests *.py
 recursive-include tools *.md
 recursive-include tools *.py
 recursive-include tools *.txt
+prune docs/_build