tweak --version output to include currently used arch so that I can be more confident when manually testing under rosetta (`arch -ppc fsevent_watch`) on 10.6
recompiled binary to include ppc support on 10.6, requiring the use of gcc-4.2 rather than clang (both upstream 3.2 and apple's version from xcode 3.2.6 fail to compile for ppc)
bundled an additional binary supporting 10.5 on x86_64, i386, ppc, and ppc64. ruby code to select this binary on 10.5 should probably follow... but don't expect this binary to consistently be maintained alongside the primary version due to the effort requried to cobble together a build environment for this particular setup.