v0.0.234-pre-5

7433e9e debug logs when a background agent is being stopped
3ccbc76 log file per agent instance
a7edaea don't print description if output is empty
b533d0a fix merge, remove debug println
13b153c fix test
279ee83 fix windows
bace12a kill background agents if versions don't match
a4b6f50 only read logs from the expected agent pid
6781502 log agent pid to debug log
c2a0f00 agent ping returns version, pid, and if started in the background
1f35171 fix circular import by moving injected build meta from flyctl to buildinfo