Fix minCount for ranges of immutables
issue 4916
fixed conflict
Add category table in std.traits
Improve Appender growth scheme.
Fix issue with Appender.reserver
Move newCapacity outside of Appender
Fix appender form elaborate assign types
More unittest for appender
tweak appender, add unittests for not-yet covered paths
Add missing file I/O functions for Win64 DMD and Windows LDC
Fix 10961 - Assigning void[] to Variant causes compiler errors.
Implement assumeWontThrow.
Improve wording in docs.
Making split unicode correct

Also marked as safe, but not pure (because of the foreach body)
Remove deprecated uninitializedFill
Final fix for emplace
remove import dependencies from std.format
rebase
improve optimization potential of std.ascii