Use better way of ensuring Authorization header

This will need some testing though

.htaccess

@@ -1,6 +1,8 @@
 <IfModule mod_rewrite.c>
   RewriteEngine on
 
+  RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
+
   RewriteRule ^api(.*)$ api.php [QSA,L]
   RewriteRule ^admin(.*)$ admin.php [QSA,L]
 
@@ -8,7 +10,3 @@
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteRule ^(.*)$ index.php [QSA,L]
 </IfModule>
-
-<IfModule mod_wsgi.c>
-  WSGIPassAuthorization On
-</IfModule>