Version 1.0-3

   * Bugs fixed in help files for nnls and lsx (2011-07-16)
   
Version 1.0-4

   * NAMESPACE added

Version 1.1-0

   * Functions removed: dqrdc and dqrsl, lsx, nnlse
   * pnnls modified to have argument "sum=NULL"
   * Help pages written/modified
   * Submission to CRAN

Version 1.1-1

   * For lsei(): 
     - c and e are allowed to be vectors
     - Add lower and upper in lsei()
     - Set NULL as the default value for c, d, e and f
   * Add qp(), pnnqp()
