qqman 0.1.2

Does not assume that SNPs are evenly distributed across chromosomes when deciding where to place the tick in the center of the chromosome.
Changed single chromosome x-axis notation to use Mb instead of raw pos
qq() accepts graphical parameters the same way as manhattan()
Removed default xlim
Citation details on package load
Added axis label options
Removed ymax argument in favor of allowing user to set ylim in ...
Option to not take log of p-value

qqman 0.1.1