2.7.62 released April 1, 2000

- bugfix in evaluate_diagonal_intersection()
- evaluate_diagonal_intersection moved to optics.c and made static
- new function topological_eye
- new autohelper option topological_eye
- doc revision
- mouse tuning
- hashvalue test whether matchpat is properly prepared for the board
  position being matched
- compile_for_match() added in a few places
- modify_eye_spaces1() and find_cuts() not used when make_domains() is
  called from the mouse code
- minor bugfixes in life.c and board.c
- minor tuning of patterns2.db