Allow credential file as an option path

[ssardina]

Original report by Sebastian Sardina (Bitbucket: [Sebastian Sardina](https://bitbucket.org/Sebastian Sardina), ).

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Allow the user to specify where is the credential path, not just the current path

[ssardina]

Original comment by Sebastian Sardina (Bitbucket: [Sebastian Sardina](https://bitbucket.org/Sebastian Sardina), ).

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Not that clear what this means. Seems the file name is fixed and cannot be changed and may have to be in the current dir always.