Allow setting of field width for asciimap.
Add VCal dac scan (testing ground for threshold scans)
updating RPC interface in prospect of FW 2.17
Use Pg_SetCmdAll() instead of several calls to Pg_SetCmd() - more
efficient in terms of RPC calls.
FW UPDATE to 2.17 - pxar requires one additional RPC command. With
FW 2.17 most trigger loops run in 1/3 of the time (major test speed
improvement). Bumping corelib version to 0.9.9