This should not be hard coded into a CMakeLists.txt file. Different users may
want to specify different debug prefixes. 

The proper way to set this is to pass -DCMAKE_DEBUG_POSTFIX:string=_debug
to cmake when generating.
Merge pull request #63 from sideeffects/master

Fixes a corruption error when the compressor creates an output with exactly the same length than the original input.
Merge pull request #64 from sideeffects/cmake_issue

Cmake Debug Postfix should not be hard coded in CMakeLists.txt