* 0.1.1 __

First release on CRAN - bassic diff. stats including pairwise versions and 
exact test of differentiation. 

* 0.2 __

More documentation. Added a vignette to reproduce analysis for nancycats data

* 0.2.1 __

chao_boostrap now uses multinomial distribution to create samples (previously 
it resampled individuals) - this makes very little difference. 

Discussion in chao_bootsrap's documentation about bias in bootstrapping
procedure
Significant speeding up of all functions by using base R as much as possible

0.3 __

Added Phi_st_Meirmans - a differentiation measure based on the AMOVA framework
Extended the Vignette to include a small discussion on which stats mmod can and
can't calculate and how to chose the right one for your study
Caught some typos and made a number of small changes

