Update only for unix. Mac has separate binaries, which we have not included so far. Also it has issues with ppc.
Add crude CPU architecture detection from os.arch. Includes most aliases, most platforms.
Implement .arch=x86,ppc,... - support for architecture restrictions in updater.
Only update wrapper on arch's we have binaries for.
Update wrapper files on OS/X but only on x86 (32 or 64 bit). Old PPC Snow Leopard installs can keep the old wrapper files.
Log errors if any subconfigs have not finished init.
Fix missing SubConfig.finishedInitialization()'s including turn-off-NLM-not-working