* make more standard libraries work with `nimPreviewSlimSystem`
* typo
* part two
* Delete specutils.nim
* fixes more tests
* more fixes
* fixes tests
* fixes three more tests
* add formatfloat import
* fix
* last
* try to fix#16206
* merge two parsecfg tests into one
* Revert "fix"
This reverts commit 668bdec2c499cf9967abfb7aad24975a04b092eb.
* Revert "try to fix#16206"
This reverts commit c399cc2153190299c9cbb0ad83f6ce85a7bbbb89.