First working PoC of precompiled headers.
First working PoC of precompiled headers.

There are many problems:
- Only works on Clang
- Instead of the obj, makes the source file depend on the PCH
- No way to deactivate PCH
- Only for client / ttyclient / server

But at least it compiles faster.

DaemonEngine/Daemon,DaemonEngine/Daemon,DaemonEngine/Daemon,DaemonEngine/Daemon