update to HISTORY file
update to HISTORY file

yasserglez/pymdptoolbox,McCabeJM/pymdptoolbox,sawcordwell/pymdptoolbox,silgon/pymdptoolbox,silgon/pymdptoolbox,McCabeJM/pymdptoolbox,sawcordwell/pymdptoolbox,yasserglez/pymdptoolbox