Fix pagination links not keeping querystring

core/templates/core/blocks/active-filter.haml

 Display :
 - if active_only
   current legislature only /
-  %a{'href': '?active_only=0'}
+  %a{'href': '?={queries.urlencode}&active_only=0'}
     all data
 - else
-  %a{'href': '?active_only=1'}
+  %a{'href': '?={queries.urlencode}&active_only=1'}
     current legislature only
   ="/ all data"
\ No newline at end of file

core/templates/core/blocks/grid-list.haml

 %span.grid-list-selector
-  %a{:href => '?display=grid'}
+  %a{:href => '?={queries.urlencode}&display=grid'}
     <i class="fa fa-th"></i>
-  %a{:href => '?display=list'}
+  %a{:href => '?={queries.urlencode}&display=list'}
     <i class="fa fa-th-list"></i>

core/templates/core/blocks/pagination.haml

@@ -47,7 +47,7 @@
     {{ paginator.per_page }}
     (
     - for limit in pagination_limits
-      %a{'href': '?paginate_by={{ limit }}'}
+      %a{'href': '?={queries.urlencode}&paginate_by={{ limit }}'}
         {{ limit }}
       - if not forloop.last
         \/

core/views.py

 # coding: utf-8
+
+from copy import copy
+
 from django import http
 
 import unicodecsv as csv
@@ -77,6 +80,9 @@ class PaginationMixin(object):
         c['pagination_limits'] = self.pagination_limits
         c['paginate_by'] = self.request.session['paginate_by']
         c['page_range'] = self.get_page_range(c['page_obj'])
+        c['queries'] = copy(self.request.GET)
+        if 'page' in c['queries']:
+            del c['queries']['page']
         return c