Update TODO

TODO.md

@@ -12,8 +12,14 @@
 * opening new connections in current form causes macOS issues, why?
 * try creating sockets with different ports (and also local ips if setting
   enabled), then converting them to mio tcp streams
+* decode response properly, full response determines if message was fully
+  received. this means proper deserializers need to be written..
+* open new connections every time. opentracker doesn't really do keepalive
+  (has an ifdef without entry in makefile and closes soon anyway, seemingly)
+  so we should adjust to that.
 
 ## aquatic_http
+* opentracker doesn't really do keepalive. should we?
 * check if connection ValidUntil's are really updated when necessary. there
   are some connections dropped after a while when load testing
 * add tests