0.9-beta: Fixes after CppCheck

Works with GCC up to 4.7 & MSVC 2013.
Checked on OpenCL 1.1 & OpenCL 1.2

First release

First alpha.

Works with MSVC 12 & GCC 4.63.
Tested on OpenCL 1.1 & OpenCL 1.2 (Image creation on OpenCL 1.2 isn't available at the moment & needs to be implemented)