Merge pull request dlang-community#73 from putaolabs/master

 interface should be same as class. and DynamicArray should be null too

Fix dlang-community#67, fix dlang-community#52, fix dlang-community#53, 

fix dlang-community#54, fix dlang-community#55. Thanks to @burner and @yshui.

Fix dlang-community#62

Remove experimental allocator backport

dlang-community#49

Merge pull request dlang-community#44 from burner/notnothrow

Fix Issue dlang-community#43

Run unit tests in 64 and 32 bit mode. Fix dlang-community#41 and shou…

…ld prevent 32-bit bugs in the future

Fix dlang-community#40

Fix version number

Add benchmark results