Support HEAD requests with the semaphore lock
Support setting a custom server header from the config
Process hta files with the templating engine
Add a visit_count page template variable
Add a function for random numbers in templates
Improve error handling and logging
Add test client template variables for url verification
Use more consistent Jinja variable names
Fix a bug with VTE and old GLib versions
Bump the matplotlib version and fix a Kali install bug
Set the version to 0.1.4 final