Be more vigilant about closing sockets on errors
Make threads detached, not joinable

To avoid running out of resources, since we never join the threads later.
do not ignore return value of pthread_create
clarified licensing (I hope)
work on ssgl logging
improve exit behavior of ssgl_server
improve logging of ssgl clients
Add logging levels to ssgl logging
Make ssgl daemonize itself
Remove requirement for gamelobby to be listed in /etc/services
Allow ssgl log level to be set via environment variable
Diminish velocity when sliding

proportional to the sine of the difference between desired
and actual heading.
Add function to find line equation from two points
Add function to find intersection of two lines
Add function to find equation of perpendicular line given two points

Given 2 points A, B, find equation of the line which is perpendicular
to the line passing through A and B, and which intersects the midpoint
between A and B.
Add function to find circle from three points

Given three points assumed to be on the edge of circle, find the circle x, y, r
Work on snis_server logging
Document the protocol

Or at least start on documenting the protocol
Merge branch 'master' of https://github.com/smcameron/space-nerds-in-space