* Expose source.Set.Data() method
* jsonw.writeJSON cleaned up
* sq add now respects --json
* Location strings are subject to more scrutiny
* Ignore .db files in project dir
* sq add is more restrictive about location string
* source.RedactedLocation now uses 'xxxxx' per stdlib url.URL.Redacted()
* Update changelog for v0.23.0
* typos
* renamed cmdFlagChanged to flagChanged
* initial stdin stuff working
* wip: mostly working as expected
* Docs and lots of cleanup
* Mostly docs
* fixed behavior of source.LocationWithPassword, and tests
* wip
* made progress on new SQLite type stuff
* we're getting places
* largely working now
* tidying up
* almost there
* time to deal with failing tests
* seemed to have fixed sqlserver issue
* seems to all be fixed
* minor tidy up
* yet more linting
* yet more linting
* yet more linting
* yet more linting
* yet more linting
* yet more linting
* yet more linting
* yet more linting
* debugging
* generic retry functionality; some additions to stringz.go
* fiddling with magefile_sakila
* added test lock function testh.Lock
* bunch of linting, goimports, what not
* upgraded mattn/go-isatty version because it was importing a incompatible version of golang.org/x/sys/unix
* changed parsing of SQL Server DSN due to changes to url.ParseQuery no longer accepting semicolon
* updated xo/dburl pkg to v0.11.0
* removed dead underscore assignment
* updated GH workflow go action to 1.19
* BaseFragmentBuilder now quotes table and col names for joins
* Refactored libsq.engine so that the SQL generated from SLQ input can be tested
* Deleted dead code; additional comments
* implementation work for json importers
* json driver checkpoint
* working on json.ParseObjectsInArray
* json.ParseObjectsInArray seems to be working
* checkpoint while tidying up ParseObjectsInArray
* more tidy checkpoint
* more tidy checkpoint 2
* tidying up ParseObjectsInArray
* tidy up
* code/docs cleanup
* more cleanup of json driver
* more cleanup of json driver
* flat json import seemingly working
* improvements to json driver
* json writer now prints empty [] for postgres empty tables
* Type Detector refactor
* json driver impl; refactoring of source.Files reader et al
* working on kind detector
* significant switcheroo of packages
* partway throught refactoring Kind
* major package switcheroo for Kind
* improvements to sqlite source metadata query
* table metadatawriter colorization tuning; minor testh.Helper refactoring
* cleanup of metadata for multiple drivers
* more cleanup of source/table metadata
* yet more cleanup of source/table metadata
* improvements to mysql SourceMetadata
* improvements to mysql TableMetadata
* yet more fiddling with mysql metadata
* initial refactoring for the numRows param
* work on driver.NewBatchInsert
* work on NewBatchInsert
* batch insert seems to work
* switched testh.Insert to use BatchInsert
* doc cleanup
* batch insert for dbwriter and csv
* removed unneeded NumRows from driver.StmtExecer
* minor tidyup