* added basic support to store process instance file data on the file system w/ burnettk
* the files need to be in a hashed directory structure w/ burnettk
* fixed exception message w/ burnettk
* use the same entry method to the contents of data file w/ burnettk
* fixed hash method w/ burnettk
* make hash method easier to read w/ burnettk
* added a migrator and test for migration w/ burnettk
* fix a couple things while testing
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Co-authored-by: jasquat <jasquat@users.noreply.github.com>
Co-authored-by: burnettk <burnettk@users.noreply.github.com>