Support bkprecision 9130b and agilent b2900a#4

JoelLinn wants to merge 2 commits intoalexforencich:masteralexforencich/python-ivi:masterfrom

JoelLinn:feature-bkprecision-9130b-agilent-B2900AJoelLinn/python-ivi:feature-bkprecision-9130b-agilent-B2900ACopy head branch name to clipboard