Disable warnings for auto_ptr.
Make FREGetBool() actually return a bool.
Split out FRE conversion functions.
Clean up warnings/defines.
Split out CSteam files into separate directory.
Give unique name to extension initializer/finalizer.
Add support for global stats.

Closes #6.
Automatically generate SteamConstants.RESPONSE_* values.
Add new header file to Makefile and VS/Xcode projects.