create get_exit_details method

Conflicts:
	child_compassion/workflow/child_workflow.xml
retrieve child exit details
rebase + bugs fixed

Conflicts:
	child_compassion/i18n/fr_CH.po
PEP8 errors corrected
PEP8 errors corrected, again
bug fixed + PEP8
Merge pull request #27 from KCristi/new-child-exit-details

New child exit details