Launch ArbPL at startup, and keep it running forever.

com.mcav.arbpl.plist

<!--
Install with:

mkdir -p ~/Library/LaunchAgents
curl -o ~/Library/LaunchAgents/com.mcav.arbpl.plist https://gist.github.com/mcav/7879144/raw
launchctl load -w ~/Library/LaunchAgents/com.mcav.arbpl.plist

To stop:

launchctl unload ~/Library/LaunchAgents/com.mcav.arbpl.plist

-->
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Label</key>
  <string>com.mcav.arbpl</string>
  <!-- run the following program; the shell trickery allows
       shell expansion and makes it easier to understand -->
  <key>ProgramArguments</key>
  <array>
    <string>sh</string>
    <string>-c</string>
    <string>/bin/zsh -c 'cd ~/moz/gelam/arbitrarypushlog; ./webserve'</string>
  </array>
  <!-- run on startup -->
  <key>RunAtLoad</key>
  <true/>
  <!-- restart it automatically -->
  <key>KeepAlive</key>
  <dict>
    <!-- only if it exits with a non-zero status code -->
    <key>SuccessfulExit</key>
    <false/>
  </dict>
</dict>
</plist>