* Added proper pointer to g_pFileSystem_Stdio.
* Renamed existing one to g_pFullFileSystem (correct name).
* Obtain g_pFileSystem from the same constructor as g_pFileSystem_Stdio.
Moved logging functions to dbg.h (tier0) and export them from the dll.
Added additional functions for checking bad pointers (debug only!).
Reduced output code size.
Moved server/client headers and implementations into dedicated subfolder.
Renamed Some classes to match the game binary (e.g. CBaseClient is now CClient).
Removed redundant files.
* RTech::GetPakLoadedInfo returns a reference now instead of a copy. Make sure to check the pointer is valid from now on if dealing with the returned pak entry.
* RTech::GetPakLoadedInfo now has a overloaded function that takes string as argument for searching an pak entry.
* new ConCommand pak_swap which has Pak_Swap_f as callback.
* Pak_Swap_f performs pak unload and then load again.
* pak_requestunload can now be used with pak name
* Dedicated SDK now supports ASLR enabled executables.
* Complete removal of CEngineClient on the dedicated server.
* Complete removal of gHLClient and g_pHLClient on the dedicated server.
* Performance improvements for the dedicated server frame loop.
* ConVar 'CVCallback_t' structure rebuild.
* Reduced overhead throughout SDK.
