CHANGES IN GEIGER
2013-04-31
  * adding print functions for classes gfit and gfits
  * allowing bm.lik to use nodes (i.e., fossil data) argument
  * allowing mkn.lik to use root arguments
  * optimized and parallelized fitContinuous and fitDiscrete
  * removing vcv.phylo
  * adding ratematrix for evolutionary rates matrix function 
  * changed transform.phylo to rescale.phylo to prevent corruption of generic transform
  * changed vcv(phy, dat) to ratematrix
  * updated sim.char
  * permitting rescale to return 'model' trees

2013-04-11
  * released geiger 1.99-3 to CRAN
  * adding drop.extinct.taxa and drop.random.taxa to maintain previous functions
  * adding better support for parallel:::mclapply
  * adding coef and logLik methods for fitContinuous and fitDiscrete

2013-04-06
  * released geiger 1.99-2 to CRAN

