4 * add option "decimalPlaces"
5 * add option "fixedDecimals"
10 * add `.format` export
16 * remove map recreation
17 * remove unnecessary object construction
22 * fix browserify require
23 * remove node.extend dependency
29 * add option "thousandsSeparator"
30 * return "null" on invalid parse input
31 * support proper round-trip: bytes(bytes(num)) === num
32 * units no longer case sensitive when parsing
37 * add negative support. fixes #6
42 * added terabyte support
52 * bytes(200).should.eql('200b')
57 * add bytes to string conversion [yields]