Merge changes I2b651de4,I8c5fd6ef,I0a920414,I64905dc4

* changes:
  Fixed sortfiltering
  Rename values to int_fields
  Added comment regarding a possible optimization for Regex/WildCard search based on GoogleCodeSearch
  Added comment regarding normalization in dictionary
tree: a8d2ae119f65c3938fb970dc5093d9ef6826c8b9
  1. lib/
  2. t/
  3. .gitignore
  4. Changes
  5. Makefile.PL
  6. README.pod