Made _IntEnv match the structure visible from assembly
Renamed CXDocument to CXDebugUI
Separated debugging and launching tasks
Added the possibility to start an executable's init symbol or term symbol (in addition to the main symbol), and fixed pefdump, which didn't quite work anymore
Made StdCLib a little more complian
Made StdCLib a little less ugly, again. We'll have to split the file eventually.
Further extended the size of unknown variables
Fixed problems with getting the stack trace