Overview of changes in gcalctool 6.0.1

    * Fix conversion of nautical miles (Bruce Cowan, Bug #648205)
    * Mark strings for translation that were missed
      (Kjartan Maraas, Bug #646093)
    * Only write to GSettings when settings change, don't sync on exit
      (Bug #647327)
    * Fix crash when not all currencies downloaded
    * Fix bit editor (Bug #646142)
    * Fix 0^n generating error for fractional n (Bug #634066)
    * Fix order of implied multiplication
    * Make automatic exponentiation less aggressive
    * Fix thousands separator being on front of three digit numbers
    * Don't clear display when entering digit inside result