Switch to a singleton.
Load language files on init.
Display session information when editing another user.
Collect the session start time when logging session info. Remove unnecessary IP address logic.
Replace `get_browser()` with a modified version of the MIT licensed Browscap library.
Remove unnecessary noopage.
Add a user session getter.
Unfortunately we do currently need to implement our own `WP_Session_Tokens` class so we can fetch the current session and fetch all other sessions separately.
Display the current session separately from other sessions.
CSS tweaks for the session tables.