0.3.12 - Explicit Server Mode - Stable

I've been testing this version for quite some time now. This version now requires you to explicitly start the server if you want to use server mode. This was to solve some problems when the compiler was spawned as a grandchild of cygwin python ( eg, python, gnu make, cl ) where python would wait for all child processes to exit. This does not apply to windows python so I may consider making this a configurable option if anyone asks.