fixed the sqrt / sqrtf thing.  closes #85
fixed the sqrt / sqrtf thing.  closes #85

HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk