allow user to specify the path of log file to upload #4148
Do not use triple quotes and dumps (but file+dump) for pickling the expanded PSet. Fix #4177
Merge pull request #4172 from qunox/givelogpath

allow user to specify the path of log file to upload #4148
Fix checkwrite for csh.
Merge pull request #4175 from AndresTanasijczuk/checkwrite_csh

Fix checkwrite for csh.
change exception
Merge pull request #4184 from qunox/changeexception

change exception
improve purge message
Merge pull request #4186 from qunox/purgeimprove

improve purge message
introducing crab remake