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.

# Package Information for pkg-config

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@

Name: libpcre
Description: PCRE - Perl compatible regular expressions C library
Version: @PACKAGE_VERSION@
Libs: -L${libdir} -lpcre
Cflags: -I${includedir}