Fixes resaampling based on starting sample rate. 

    88.2 kHz ᴏʀ 176.4 kHz ᴄᴏɴᴠᴇʀᴛs ᴛᴏ 44.1 kHz

    96 kHz ᴏʀ 192 kHz ᴄᴏɴᴠᴇʀᴛs ᴛᴏ 48 kHz
Merge pull request #64 from elwoodpd/patch-1

Fixes resaampling based on starting sample rate.