Fix encoding strings and remove script directive.

src/_ansistrm.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 #
 # This file is part of python-gnupg, a Python wrapper aroung GnuPG, and it was
 # taken from https://gist.github.com/vsajip/758430 on the 14th of May, 2013. It

src/gnupg.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-#-*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 #
 # This file is part of python-gnupg, a Python interface to GnuPG.
 # Copyright © 2013 Isis Lovecruft

src/util.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 #
 # This file is part of python-gnupg, a Python wrapper around GnuPG.
 # Copyright © 2013 Isis Lovecruft, Andrej B.