step 1 of refactoring interpreter/compiler to standalone libs as well
cleanup in destructor, instead of of everywhere manually
Version 0.4.6
bumped version to 0.4.6
moved all compilercode in own library
adaptions for win32 build
moved all interpretercode in own library
small adaptions for win32 build
providing hgl version as numeric constants to autoconf and config.h
updated developer docs