Updated the readme to include the installation of Moose
nodes/ppn strings now correctly detect nodenames in place of numbers of nodes
Tested the slots() method
Testing required_ncpus() method
required_ncpus() now a Moose attribute
Setting a string to required_ncpus should fail
Testing used_cputime()
Testing required_walltime() and used_walltime()
Testing allocated_hostlist()
allocated_hostlist now a Moose attribute
Testing exit_status()
exit_status() is now a Moose generated method
Testing the waittime() method
Removed superfluous quotes in instance variable lookups
Reduced repeated code in Job() object constructor
groupname() now a Moose-generated method
queue() is now a Moose generated method
Testing walltime()
Testing mem_string_to_kb()

Ignoring warnings to stderr as they are irrelevant for this test.
Testing time_string_to_seconds()