* Moved `source.Files` to its own package, thus the type is now `files.Files`.
* Moved much of the location functionality from pkg `source` to its own package `location`.
* 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
* 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
* 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
* added Go dependency cache to go.yml workflow
* more windows path issues
* docs
* restricting workflow triggers to master
* wrong cleanup order for downloaded files
* de-restricting workflow triggers, for now
* more out-of-order cleanup issues that only manifested on windows
* more out-of-order cleanup issues
* removed mediatype check from TestFetchFile; FetchFile is deprecated and not worth fixing
* tracked down out-of-sequence close/remove issue with sqlite
* probably long-running test failure
* disabling long-running tests that are breaking CI
* switching to go test -short because tests seem to be taking too long in CI
