[Kst] kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

updated scanner and parser to fix exponentiation bugs:
- -x^y evaluates as -(x^y) now
- x^y^z evaluates as x^(y^z) now


  M +651 -857  eparse.c   1.9
  M +22 -30    eparse.h   1.7
  M +6 -9      eparse.y   1.9
  M +53 -53    escan.c   1.8
  M +2 -0      escan.l   1.8