* system refactor, move out 600 lines
* compilation, slice, backwardsindex, misc_num moved out of system
* some procs/types moved into arithmetics, basic_types
* system no longer depends on syncio
* some procs moved around to fit with their surroundings
* make exceptions an import, old ops to misc_num
* move instantiationInfo back
* move back nim version, fix windows echo
* include compilation
* better docs for imported modules, fix unsigned ops
also remove ze, ze64, toU8, toU16, toU32 with nimPreviewSlimSystem
* fix terminal
* workaround IC test & weird csize bug, changelog
* move NimMajor etc back to compilation, rebase for CI
* try ic fix
* form single `indices`, slim out TaintedString, try fix IC
* fix CI, update changelog, addQuitProc
* fix CI
* try fix CI
* actually fix CI finally hopefully
* Update lib/system/compilation.nim
Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
* update kochdocs
* hopefully fix csize uses for slimsystem
* fix tquit
Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
* Tighten the conversion from tyRange to scalar types.
Introduce the `isIntConv` rule for unsigned types.
Do not allow mixed-signedness conversions between ranges and scalar types.
* More json adjustments
