Added showdebug command. Also: * Added an exported constructor to RChildProcess so the iProcess handle was set to zero on construction. * Fixed bug in fshell_builddocs script that created HTML relative links with backslashes instead of forward slashes.

EXPORTS
	?ImplementationGroupProxy@@YAPBUTImplementationProxy@@AAH@Z @ 1 NONAME ; struct TImplementationProxy const * ImplementationGroupProxy(int &)
	?KAutoStartFshell@@3HB @ 2 NONAME ; int const KAutoStartFshell