Fix issues 8435, 10118.
Hack to make BigInt's typeinfo use the correct version of opCmp.
Use typeid.getHash instead of rt.util.hash.hashOf which is not
accessible from outside druntime.
Expand tab.
Fix wrong example in cheatsheet for filter().
Fix for issue# 10680.

unsigned was moved to std.conv (with a deprecated alias left in
std.traits), but std.bigint was not updated accordingly. This fixes
that.
add version (Windows): too all windows only sources
fix Issue 10686 - No [] operator overload for immutable Tuple
Merge pull request #1427 from jmdavis/10680

Fix for issue# 10680.
Merge pull request #1424 from dawgfoto/versionWindows

add version (Windows): too all windows only sources
Merge pull request #1422 from quickfur/filter_docs

Fix issue 10660.
Fixes issue #9967 - ParameterIdentifierTuple broken for setters
Fix the arguments of sameTail and make sameHead and sameTail @safe
Add LetterCase to to!
add missing constructor declarations for -version=StdDdoc
Merge pull request #1432 from dawgfoto/fixup1407

add missing constructor declarations for -version=StdDdoc
Merge pull request #1429 from Kozzi11/toWithLetterCase

Add LetterCase to to!
Merge pull request #1378 from yazd/fix9967

Fix for issue #9967 - ParameterIdentifierTuple broken for setters
Merge pull request #1402 from quickfur/bigint_hash

Fix issues 8435, 10118.
Some fixes according to the comments by @ monarchdodra