combine benchmarks into single file; 1.0.3

distinguish US/Arizone from Mountain and US/Hawaii from Aleutian; 1.0.2

got W and o working, 1.0.0

refactor to use a compiled function for the conversion, cache recent …

…results, fill out missing N.Am. timezones; 0.9.2

add Readme; 0.9.1

initial commit, split out of arlib; 0.9.0