#802 Escape all symbols in file name and path
Remove tail - in file name
Fix issue #807, add tail `/` to archive links
added a transform function to list helper
Merge pull request #827 from jkuetemeier/feature/list_transform

Added a transform function to list helper functions
Merge pull request #809 from timnew/archive_link

Fix issue #807, add tail `/` to archive links
Merge pull request #808 from timnew/escape_file_name

Escape file name
Merge branch 'master' into dev
Fix tests. Fix #803
Update theme
2.8.3 released
Merge branch 'dev'