Insert an empty BIC number if none has been provided.

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extra : source : 534776f1f217f3c6e44dd03b1d79c4f0714b2d33
Undo line ending change.

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extra : source : 0e1f16bad49dbc57d80272f697284df7453f492f
Merge pull request #6 from ehuelsmann/1.4

Insert an empty-string BIC number if none has been provided.