Load username into socket data
Don't block access to threads where the user has squelched you
Basic sanitation for filenames

This is actually more stringent than required by linux, but it introduces extra convenience for file access purposes.
Update search.inc
Merge branch 'develop' into testing
Replace header.inc with shims
Always preload a realtime socket for index.php
Don't restrict realtime transports anymore
Merge branch 'develop' into testing
Handle empty search results correctly
Merge branch 'develop' into testing
Merge branch 'develop' into testing
Use stylesheets for pic.php
Merge branch 'develop' into testing
Merge branch 'testing'