update microtime to 1.0.0
update microtime to 1.0.0

Version 0.5.1 won't work in Node 0.11+, so update it before people notice and run into errors.
niels4/node-tryfer,niccaluim/node-tryfer,niccaluim/node-tryfer,cjthompson/node-tryfer,tryfer/node-tryfer,niccaluim/node-tryfer,betable/node-tryfer,betable/node-tryfer,niels4/node-tryfer,niels4/node-tryfer,tryfer/node-tryfer,cjthompson/node-tryfer,betable/node-tryfer,cjthompson/node-tryfer,tryfer/node-tryfer