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Bug-fix release in the 1.3.x series
* FIX: Set slope and intercept to 1/0 if not otherwise provided (649)
* FIX: DerivativesDataSink warning when it has multiple source files [backport 573] (647)
* FIX: `FSDetectInputs` mutually exclusive options for `ReconAll` (646)
* MNT: Update some version pinning and correct for *pandas* warning about keyword arguments (645)
* CI: Use datalad-managed test data [BACKPORT] (653)