TODO for root and shared
  * fitter: abstraction-scoped, class-selective compatibility control
  * fitter: mode list
  * hammerfile, hammergui: version control

DONE for root and shared

with cyclone alpha52
  * fragile: class name resolution based on voluntary mutation and raising
  * fitter: mirroring removed
  * new module, os: opening files, parsing path
  * hammerpanel: two modes of -initialdir persistence
  * more mingw fixes

with cyclone alpha51
  * new module, fitter: encapsulates compatibility support (formerly in maxmode)
  * fitter: per-class callback and mirroring interface to compatibility mode
  * mingw fixes

with toxy alpha14
  * scriptlet: version control (verslet_ routines)
  * debug printout restricted to krzYszcz, sent to stderr

with cyclone alpha50
  * bug fixes
    . hammertree crasher (affecting funbuff and offer)
    . MouseState/toxy clash
  * builds with gcc3 by default (no need to edit Makefile.common)
  * midi file code has been cleaned, now ready for using in qlist