Title: Rest services for document added
Description:  Implemented: getDocument, getDocuments, deleteDocument and postDocument.

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Important: test-testdb dosn't work
Alert:
Snip:
Commit: Robert
Title: Rest post and get document
Description:  Implemented: getDocument(title), getDocument(id), postDocument(document).

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Deleted:
Fixes:
Important:
Alert:
Snip:
Commit: Robert & Christopher