Fixes #89.  We now have support for getting job creation, start, end, and execution hosts.  This is not done in a super efficient manner (there is a call to scontrol for each attribute), but it seems to work and we can optimize at a later date if needed.
Fixes #89.  We now have support for getting job creation, start, end, and execution hosts.  This is not done in a super efficient manner (there is a call to scontrol for each attribute), but it seems to work and we can optimize at a later date if needed.

luis-rr/saga-python,mehdisadeghi/saga-python,luis-rr/saga-python,telamonian/saga-python,luis-rr/saga-python,telamonian/saga-python,mehdisadeghi/saga-python