fix issue 13163 - std.conv.parse misses overflow when it doesn't result in a smaller value
don't bother with signed types

Everything is >= 0 all the time anyway.
fix whitespace
Add missing imports
Merge pull request #2355 from NilsBossung/13163

fix issue 13163 - std.conv.parse misses overflow when it doesn't result in a smaller value
Mark unittests for std.file.readText, rename and exists as safe
Merge pull request #2383 from tom-tan/safe-unittests-for-file-readText-etc

Mark unittests for std.file.readText, rename and exists as safe
fixup #2377 - add back missing $(SONAME) symlink
Merge pull request #2387 from MartinNowak/fixup2377

fixup #2377 - add back missing $(SONAME) symlink
Issue 13232 - avoid expensive template instantiations on module import

- hide std.uni.TrieBuilder instantiations behind functions
Merge pull request #2389 from 9rnsr/fix12359

Add missing imports
Merge pull request #2392 from MartinNowak/fix13232

Issue 13232 - avoid expensive template instantiations on module import