The Scifi Hack update + updated cover

For first, the cover is now updated with proper usage of The Black Hack, including official TBH logo.

Second, the format is now 6x9 print-on-demand in mind.

Third, this will be bigger than I thought! I cannot stop adding extra material to make it not just a re-dressed version of The Black Hack's fantasy aspect, but also a complete set of rules to include all kinds of little scifi stuff.