Shave off a few bytes by shortening internal names
Shave off a few bytes by shortening internal names

Google's Closure Compiler said it was 6.61KB minified (not gzipped)
before this change and was 6.44KB after. Not colossal, but not
horrible!

smnbbrv/HumanizeDuration.js,TioNoob/HumanizeDuration.js,EvanHahn/HumanizeDuration.js