Release Name: 1.4.0

Notes:
Flay analyzes code for structural similarities. Differences in literal
values, variable, class, method names, whitespace, programming style,
braces vs do/end, etc are all ignored. Making this totally rad.


Changes:
=== 1.4.0 / 2009-08-14

* 4 minor enhancements:

  * Pushed Sexp#mass up to sexp_processor.
  * Removed #similarity #compare_to, #intersection, #triangle, and other cruft.
  * Renamed all_subhashes to all_structural_subhashes.
  * Renamed fuzzy_hash to structural_hash.