Read sourmash signature or signatures into a dataframe
`read_signature()` reads in one or many signatures (JSON files) produced by the command line function sourmash sketch (previously sourmash compute).
Path to signature (json) file or files output by sourmash sketch (previously sourmash compute).
Boolean indicating whether signature columns should be compliant; the json fields changed across versions of sourmash. This may drop deprecated columns like 'type' but will allow you to bind many signatures into a single data frame even if they were sketched with different versions of sourmash.