* 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
* Fix initrand to avoid random number sequences overlapping
* Minor fix
* Fix compile error on js backend
* Disable new test for js backend
* Minor fix
* tempfiles module uses random.initRand()
* Remove unused module import from lib/std/tempfiles.nim
* Initialize baseState in initRand()
* Run tests/stdlib/trandom.nim from tests/test_nimscript.nims
* baseState is initialized only with sysrand.urandom and quit if failed
* Add comments
* gitutils: add diffStrings, diffFiles, and use it in testament to compare expected vs gotten
* refactor with createTempDir
* cleanup
* refacotr
* PRTEMP fake test spec changes to show effect of diffStrings
* add runnableExamples for experimental/diff + cross-reference with gitutils
* Revert "PRTEMP fake test spec changes to show effect of diffStrings"
This reverts commit 57dc8d642d.