history: order deduplicated history latest-first
history: order deduplicated history latest-first

Rather than earliest first. Appears to address #71 more hollistically. I don't
understand the internals of filter-select for a full root cause analysis here,
but hey, it Works On My Machine™.

brandon-fryslie/zaw,willghatch/zaw,vapniks/zaw,junkblocker/zaw