use Windows4Root.h include instead of Windows.h when using WIN32 and ROOTCINT

- some preprocessor if's to choose the right include for Windows systems fixes compilation on WIN32 (MSVC12, ROOT 5.34.18)
- addresses issue psi46/pxar#105
Merge branch 'master' of github.com:psi46/pxar
Add printout of missing bytes after USB timeout as suggested by @werdmann