Issue 3882: Inhibit more DMD warnings
Mark std.stdio.File.close as @trusted
Merge pull request #1991 from nordlow/warn-unused-returns

Issue 3882: Inhibit more DMD warnings
Merge pull request #2003 from tom-tan/trusted-std-stdio-File-close

Mark std.stdio.File.close as @trusted
Mark std.stdio.File.~this and detach as @safe
Mark std.string.toStringz as @trusted
Merge pull request #2005 from tom-tan/trusted-std-string-toStringz

Mark std.string.toStringz as @trusted
Add more local imports
Merge pull request #2004 from tom-tan/safe-std-stdio-File-dtor-detach

Mark std.stdio.File.~this and detach as @safe
Merge pull request #2006 from 9rnsr/fix_imports

Add more local imports