Fixes Issue 6224 - Add ownerTid() property.
Remove Tid.send() duplicated function, as UFCS function can take its place.
Fixes Issue 9260 - std.getopt: Implement boolean parsing with optional argument.
Throw RangeError
Add Issue 9578 workaround to `std.algorithm.all`

As a result `all` can now be used with nested predicates.

Issue URL: http://d.puremagic.com/issues/show_bug.cgi?id=9578
fullyQualifiedNameImplForSymbols: .stringof -> __traits(identifier)
Bugfix in std.conv.parseEscape

parseEscape was not parsing the escapes:
\
0
'
"
?
unittests for parseEscape
Update unittest to take into account...

...Octal escapes and named character entities. These still don't work, but there was a test checking octal would throw, which is wrong.
Fix Issue 4847 - std.algorithm.topN documentation

This was a quick fix so I'm doing it online.
Fixes Issue 9648 - Make import to std.random independent of -unittest switch.
Merge pull request #1187 from AndrejMitrovic/Fix9648

Issue 9648 - Make import to std.random independent of -unittest switch
Add `std.traits.{isNested,hasNested}`.
Fix `std.traits.FieldTypeTuple` for structs.
Document what exactly `std.traits.FieldTypeTuple` do.
Fix qualifier to call correct constructor
Merge pull request #1188 from 9rnsr/fix_ctor_qual

Fix qualifier to call correct constructor
Merge pull request #1139 from monarchdodra/stdio

Errors vs Exception in stdio
Change Nullable ctor to inout
Merge pull request #1189 from 9rnsr/fix_ctor_qual

Change Nullable ctor to inout