Mark a constructor of std.format.FormatSpec as @safe, pure
Mark std.string.lastIndoxOf as @safe pure
cp .so libs to install target

- preserve symlinks
Fix Issue 8877 - std.encoding.transcode is extremely slow
fix bool test
Remove useless Tuple from chain
missing space in joiner example
Merge pull request #1726 from John-Colvin/patch-6

missing space in joiner example
Remove uses of nceg operators from std.math
Remove cases where an array is used in a boolean context
Merge pull request #1727 from yebblies/issue4733

Remove cases where an array is used in a boolean context
import std.typecons outside unittests since it is needed
Merge pull request #1728 from adamdruppe/std_uni_compile_error

import std.typecons outside unittests since it is needed
Merge pull request #1723 from monarchdodra/chainTuple

Remove useless Tuple from chain
Merge pull request #1722 from monarchdodra/cleanJSON

fix bool test
Correct docs & deprecation message in std.complex.

Reference to std.format.format [sic!] should be to std.string.format.

I've also taken the opportunity to slightly clean up the module's
import statements and some whitespace errors.
Merge pull request #1730 from WebDrake/complex-format

Correct docs & deprecation message in std.complex.
Fix issue 11600: to!BigInt(string) should validate input.
Merge pull request #1725 from yebblies/nceg

Remove uses of nceg operators from std.math
CTFE bug 9634 was fixed, remove the workaround