use directory ./data/ instead of the point-wasteland from before

this happens when you always had everything compiled in, just hack
up a configuration file before commiting, and never executing that
... thing outside the debugger: on first try on the console
everything just throws exceptions.

now, exceptions are fine, once in a while, but this wasn't.

hopefully the last the last change ever
double-click execution on Windows for those with the talent to curse it