Update for dmd 2.059
Merge pull request #4 from kntroh/for2059

Update for dmd 2.059
Clipboard#GetData() returns a incorrect data.
Merge pull request #5 from kntroh/fixClipboardBug

Clipboard#GetData() returns a incorrect data.
SEGV at Menu#createItem()
Merge pull request #6 from kntroh/fixMenuBug

SEGV at Menu#createItem()
Fail in load a bitmap data compressed by RLE4.
Merge pull request #7 from kntroh/fixLoadRLE4Bmp

Fail in load a bitmap data compressed by RLE4.
Fixes for dmd 2.060
Merge pull request #9 from kntroh/for2060

Fixes for dmd 2.060
A floating point number initialize with 0.
Merge pull request #10 from kntroh/floatInit

A floating point number initialize with 0.
Fixes for dmd 2.061
Merge pull request #11 from kntroh/for2061

Fixes for dmd 2.061