Start mixture solution
Merge branch 'master' into solution

* master:
  Update README
  Update
Add first draft of newton.mix
Allow maxit = NULL as default
Converge based on likelihood values
Merge branch 'master' into solution

* master:
  Add test data in 'data' directory
Add DESCRIPTION file
Version 1.0
NAMESPACE file
Set default starting values when 'param0 = NULL'
Compute estimates via EM algorithm
Remove debug cat-ing
Add Louis's method for standard errors