removed spurious log message. finised testing SGE
closes #218
removed spurios sys.exit() from local job example (!!!)
make error message more generic
re-enable exception tracebacks
small cleanups -- fixes #223
fix 224: make sure contexts are initialized with a valid session
remove exception stack for non-stacked exceptions -- doh!
fixed virtualenv bootstrap instructions
context init cleanup
fix pub/private key mixup
make ssh passphrase matching more generous
don't let the thread crash!
fix #233
fix default pwd for shell wrapper
Merge branch 'devel' of github.com:saga-project/saga-python into devel
possible fix for #234
clean up exception logging
tabs to spaces...
working on #144