* go1.21: changes to support slog as part of stdlib
* Removed accidentially checked-in line of code
* Fixed minor linting issues; reenable typecheck
* go1.21: switched to stdlib slices pkg
* CSV now renames duplicate ingest headers
* Fix broken test
* xlsx ingester now handles duplicate col names
* Update CHANGELOG
* Additional tests for ingest.column.rename
* Removed dead comment in grammar
* Fixed space issues with expressions
* Alias can now be an arbitrary string
* Alias can now be an arbitrary string (fixed)
* Alias now automatically applied to expressions
* Ignore .run
* Fixed issue with TestRun not logging correctly to testing.T
* Fiddling with sqlite3 temp file closing
* Re-enable tests
* Moved time functions from pkg stringz to pkg timez
* Refactor options.Opt
* wip: initial work on configurable time layout
* wip: most printers now respect format.datetime and friends
* Folded pkg timefmt into timez
* Refactor options.Opt; refine options
* Add 'sq config set OPTION --help' mechanism
* Finished completion of OptDateFormatAsNumber and OptTimeFormatAsNumber
* CHANGELOG text clarification
* Dialing in config/options
* Yet more dialing in of config/options
* Refactor output writers
* YAML output for more commands
* refactor: partially moved over driver.Tuning params to options
* All knobs moved to options
* sq config edit: now has comments for options
* Major work complete on config/options overhaul
* Major work complete on config/options overhaul
* Updated help text for 'sq version'
* refactor: moved cli flags to pkg cli/flag
* testh: add OptLongDB for long-running tests
* implement 'sq config dir'
* legacy dir migration: probably a bad idea
* cleanup
* Refactored SQ_CONFIG and --config
* added yaml writer
* Dialing in tests
* YAML output for 'sq driver ls'
* Significant refactoring of config
* Minor test for ioz
* Rename source.Set to source.Collection
* Cleaning up references to source.Set
* test: slq2sql more test cases; now executes the generated query
* groupby: first test case working against all DBs
* sakila: added sqlserver 2019 source
* groupby: tests for groupby synonyms
* groupby: final touches
* sakila: initial test data
* sakila: more test data
* sakila: yet more test data setup
* whitespace cols: now working for sqlite
* grammar cleanup
* whitespace cols: now working inside count() func for sqlite
* whitespace cols: tests mostly passing; begining refactoring
* grammar: refactor handle
* grammar: more refactoring
* grammar: rename selElement to selector
* wip
* all tests passing
* all tests passing
* linting
* driver: implement CurrentSchema for all driver.SQLDriver impls
* driver: tests for AlterTableRename and AlterTableRenameColumn
* undo reformat of SQL
* undo reformat of SQL
* undo reformat of SQL
* undo reformat of SQL
