started workign on linset_union (listord)
further work on list_union
removed typo
Merge remote-tracking branch 'upstream/master'
started working on adding gurobi interface
Merge remote-tracking branch 'upstream/master'
gurobi: finished adding all functions (and more) needed to run mip_1 example
adding linset_choose to linset_listord
Merge remote-tracking branch 'upstream/master'
Updating: very minorly tidying-up
removes some undesirable comments
Merge remote-tracking branch 'upstream/master'
Updating: adding libats/ATS1/linset_listord
Updating: merging
Updating: improving libats/ATS1/linset_listord
Updating: improving libats/ATS1/linset_listord
Updating: minor support for safe-guarding atstype_var
Updating: adding libats/ATS1/funset_listord
Updating: improving libats/ATS1
Updating: very minor changes