Changes in version 0.4 - update package code github to version on rforge - to do: print more output in tradesCleanup about the different filters - correction to implementation AJjumptest by Giang

Changes in version 0.5 - converted so that it would work with Cran - added missing data files - compressed data files

Changes in version 0.6.0 - all new backend - documentation via roxygen2 - testing via test_that - covr integration on github - microsecond compatibility for WRDS files - improved doumentation - new options in harModel - updated data sets - updated references - cleanup of code basis

Changes in version 0.6.1 - bug fix for Fedora compilation