r53

• Added memory usage display to /about
• Finished /help migration to slash command, with cleaned up code & now featuring clickable autocomplete
• Servers can now be tracked while player retrieval is failing
• Renamed services to servers in the bot frontend, despite backend data structures, this naming will make more sense to users
• Fixed /changelog not connecting to the GitHub API properly
• /reddit now uses the official Reddit API and provides much more information
• Empty CS:GO servers are now double checked as a workaround for "host_info_show 1" servers giving bad player count info for a short period during map change
• Player count from the steam-condenser library is now read in a more correct way
• Fixed server tracking sometimes failing when a map image URL can't be found