ASITiger: bug fix with wheel speed for motorized stage limits

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13745 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASITiger: more wheel speed fixes, range includes 0 now

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13746 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd