Delphi 7.x failed attempt at visual diagrams, only makes more garbage files
*.ppu are secondary binary files by FPC, like *.dcu for Delphi
Initial commit. zexmlss_0_0_5 and zcolorstringgrid_bin_0_4
  with perhaps some modifications like re-created packages for Delphi XE2
  and disabled inter-projct dependencies via pragma's