addressed issue https://github.com/globaleaks/GlobaLeaks/issues/832
updated dependencies
addressed issue https://github.com/globaleaks/GlobaLeaks/issues/828
minor UT fix
minor fix in order to address https://github.com/globaleaks/GlobaLeaks/issues/828
Catch exceptions more strictly.

Make sure that the key file name does not exist already.
use by default receipt of 16 numbers fixing https://github.com/globaleaks/GlobaLeaks/issues/823
Merge pull request #208 from globaleaks/fix_issue_832

addressed issue https://github.com/globaleaks/GlobaLeaks/issues/832
addressed issue https://github.com/globaleaks/GlobaLeaks/issues/831
Use uuid module for generating uuid4
Merge pull request #209 from globaleaks/fix_issue_831

Fix issue 831
Implement file download support with POST based authentication.
removed FileToken and CollectionToken, replaced by POST authentication
Merge pull request #207 from globaleaks/fix/issues/823

use by default receipt of 16 numbers fixing https://github.com/globaleak...
Get the XSRF token also via POST parameters.
Fix typo.

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Add file download via POST also to collection.
Include missing import.
addressed issue https://github.com/globaleaks/GlobaLeaks/issues/832
use by default receipt of 16 numbers fixing https://github.com/globaleaks/GlobaLeaks/issues/823