#462 Fix: diff result was left in a global scope leaving it vulnerable for later changes of subsequent function calls
#462
Fix: diff result was left in a global scope leaving it vulnerable for later changes of subsequent function calls

Former-commit-id: bc0ae6630aecda0bbb6d839436a5ea54dc8a7348
webgme/webgme-engine,webgme/webgme-engine,webgme/webgme-engine