Tidied iocli exports, build macro tweaks.
Removed 4 overloads of CCommandBase::RunCommand[L] that are no longer used at all, and changed one more to not be exported as it's only used internally to iocli.dll.
fixed builds on platforms that don't support btrace or any form of tracing.
EXPORTS
pcre_callout @ 1 NONAME
pcre_compile @ 2 NONAME
pcre_compile2 @ 3 NONAME
pcre_config @ 4 NONAME
pcre_exec @ 5 NONAME
pcre_free @ 6 NONAME
pcre_fullinfo @ 7 NONAME
pcre_info @ 8 NONAME
pcre_malloc @ 9 NONAME
pcre_stack_free @ 10 NONAME
pcre_stack_malloc @ 11 NONAME
pcre_study @ 12 NONAME