Don't use printf() to format NaNs since the output isn't fully specified. Fix #65.
Don't use printf() to format NaNs since the output isn't fully specified. Fix #65.

Rohansi/wren,foresterre/wren,Rohansi/wren,foresterre/wren,lluchs/wren,lluchs/wren,munificent/wren,minirop/wren,minirop/wren,Nave-Neel/wren,munificent/wren,bigdimboom/wren,munificent/wren,minirop/wren,Nave-Neel/wren,munificent/wren,foresterre/wren,lluchs/wren,Nelarius/wren,Rohansi/wren,bigdimboom/wren,foresterre/wren,minirop/wren,Nelarius/wren,Nelarius/wren,Nave-Neel/wren,bigdimboom/wren,Rohansi/wren,minirop/wren,lluchs/wren,foresterre/wren,Nelarius/wren,Nelarius/wren,munificent/wren,Nave-Neel/wren,bigdimboom/wren,munificent/wren