[trivial] Use ddoc unittest
[trivial] unittest code clean up
Make std.string module CTFEable
Merge pull request #1415 from 9rnsr/CTFEablePhobos

Make std.string module CTFEable
Merge branch 'master' into issue10647
Add unittest
Merge pull request #1414 from tom-tan/issue10647

Fix Issue 10647
missing throw
Merge pull request #1419 from dawgfoto/fixMissingThrow

missing throw
Add possibility to set letter case in toHexString helper function
Merge pull request #1420 from Kozzi11/digest

Add possibility to set letter case in toHexString helper function
Fix wrong example in cheatsheet for filter().
fix Issue 10644 - Win64: wrong code when passing arguments through ...
Merge pull request #1412 from Hackerpilot/master

Code cleanup
Merge pull request #1423 from WalterBright/fix10644

fix Issue 10644 - Win64: wrong code when passing arguments through ...
Make std.array.array @safe if possible
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.
new std.uni module
add version (Windows): too all windows only sources
fix Issue 10686 - No [] operator overload for immutable Tuple