sprint_varx fmt to support quote_values
sprint_varx fmt to support quote_values

- Added support to sprint_varx fmt arg for quote_values().
- Also changed comments and doc strings to wrap at 110 chars vs 79.

Change-Id: I26c3d5ff0a4eaf37283eca8a2bd3078074ca6172
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation