Make bids_corrections.py report all changes made to one CHANGELOG

[ericearl]

This will log all the adjustments made from the original data as converted by Dcm2Bids/dcm2niix to the data as it is converted after the bids_corrections.py stage.

[ericearl]

I'm thinking now it should be a TSV file with a data dictionary something like:

{
    "time": "time of correction",
    "option": "option that triggered correction",
    "file": "array of file(s) which were corrected",
    "field": "field undergoing correction",
    "original_value": "original pre-corrected value",
    "corrected_value": "corrected value"
}

[ericearl]

Solved with commit 7e9bd71