Merge pull request #48 from DavidJJ/master

Added support for Overwrite, and Extract options when using the: put, pu...
Merge commit 'd2f5b92b25d1b2e6eaf7735f3406fd0a608e7f6c''

Ticket #43 fix file.get_copy() error..

Disable test_nested_for_access() against OASIS project because it runs to long.