v0.9.9: patches for v0.9.8, prepare for next release

Full Changelog: v0.9.8...v0.9.9

break

• oserr: unexport pathsAsOne, new tryOsOp accepts 2 or 0 paths (3f1f114)
• slice: toNimSlice is no longer a cvt; cvt toPySlice from PySlice1. (c9518e8)

Bug Fixes

• Lib/sys:
  • float_repr_style not export (21b7f79)
• sugar:
  • @a.b, @a.b(1) not compile (0fb9426, 1927cef)
  • generic class rewrite was wrong; class O(a.c)/O(a[t]) not compile. (f6c2824)
• list:
  • slice used in get,setitem with negative value causes RangeDefect. (4d33844)
  • fix setitem discarded longer values. (cd9ed64)
• builtins.slice: toNimSlice's assert not work. (903c1cd)
• initVal_with_handle_signal:
  • deadloop(d9e0a00), os.wait*(f25a731). (a5bae2c)
  • not compile on JS (6534a35)
• fixup! refact(os_impl): Py_get_osfhandle_noraise to util/get_osfhandle. (0f51997)

JS

• pyerrors.oserr: new catchJsErrAndSetErrno; add defval for raiseErrno,raiseErrnoWithPath (6534a35)
• importDenoOrNodeMod;2-arg importDenoOrProcess. (8f22a68)
• os.utime not work: "fs is not defined". (47eca90)
• fixup(d7541b8): catchJsErrAsCode (used error which is cstring). (694eae8)

Fixes for inconsistence with Python

• Lib/os
  • readlink raises not just FileNotFoundEror,OSError... (c7976a5)
  • makedirs: if existsts_ok, exception might be raised. (90c9610)
• n_tempfile:
  • js: mktemp raised OSError over FileNotFoundError. (f576b68)

inner

Feature additions

builtins

Lib

• stat (4c8e84e)
• unittest:
  • TestCase: addCleanup,tearDown,setUp,run. (3314d92)

inner

• test: support.os_helper.TESTFN (2c8406a)
• pyconfig: util.from_c_int_expr,AC_CHECK_FUNC[S] (6534a35, be5332b)
• js:
  • jsutils/consts from_js_const (ae1671e)

doc

CI

• testC,testJs: run iff src/,tests/,./.nimble, !feat- branch. (2788f60)

impr

• js: os.{open,close}: use importNode over "require...". (f361005)

refine

refactor

• refact: mv os_impl/private/platform_util root's private (1d5e2a8)
• Lib/unittest: split to unittest/case_py (4853b49)
• Lib/sys: split into sys_impl/; add n_sys (34f0cb9)
• Lib/os_impl: dedup MS_WINDOWS, InJs (6534a35)

Purge warning